Best Free Application Development Software - Page 46
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Compare the Top Free Application Development Software as of November 2026 - Page 46
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1
OpenJDK
Oracle
The place to collaborate on an open-source implementation of the Java platform, standard edition, and related projects. Download and install the latest open-source JDK. Oracle’s free, GPL-licensed, production-ready OpenJDK JDK 21 binaries for Linux, macOS, and Windows are available, Oracle’s commercially-licensed JDK 21 binaries, based on the same code, are available as well. Browse the code on the web, clone a repository to make a local copy, and contribute a patch to fix a bug, enhance an existing component, or define a new feature. OpenJDK provides source code that developers can use to build their binaries. Consequently, users are responsible for compiling the code and generating the Java runtime tailored to their specific platform. The JDK is a complex software project. Building it requires a certain amount of technical expertise, a fair number of dependencies on external software, and reasonably powerful hardware.Starting Price: Free -
2
Amazon OpenSearch Service
Amazon
Increase operational excellence by using a popular open source solution, managed by AWS. Audit and secure your data with a data center and network architecture with built-in certifications. Systematically detect potential threats and react to a system’s state through machine learning, alerting, and visualization. Optimize time and resources for strategic work. Securely unlock real-time search, monitoring, and analysis of business and operational data. Amazon OpenSearch Service makes it easy for you to perform interactive log analytics, real-time application monitoring, website search, and more. OpenSearch is an open source, distributed search and analytics suite derived from Elasticsearch. Amazon OpenSearch Service offers the latest versions of OpenSearch, support for 19 versions of Elasticsearch (1.5 to 7.10 versions), as well as visualization capabilities powered by OpenSearch dashboards and Kibana.Starting Price: $0.036 per hour -
3
Findr
Findr
Find everything across all apps with just one search bar and streamline work with AI-powered search. Stop wasting time asking for links and re-creating documents that already exist. Use AI-powered workplace search and instantly find anything you need. Chat with Findr to receive answers, generate summaries, and compose emails using relevant information, complete with document references. Sync your favorite set of apps like Gmail, Slack, Jira, Drive, etc. to answer customer queries in real-time, find information fast, and make decisions backed by company knowledge. Findr connects with your apps in real time, letting you use workplace search as soon as you connect your first app. Findr prioritizes security with robust encryption, secure infrastructure, and strict access controls. Dive deeper to understand how we protect every bit of information. We leverage search APIs to fetch the information in real-time.Starting Price: Free -
4
Curiosity
Curiosity
Curiosity is the context graph for industrial AI. It connects the knowledge spread across an organization's files, messages, wikis, ticketing systems and databases into a single graph that teams can search, explore and put to work with AI. Most search tools treat each document in isolation. Curiosity keeps the relationships between records intact, so a part, a supplier, a ticket and a field report stay linked. Search returns answers with that context attached, and every answer carries a clear trail back to the source. It holds data in memory, so results return as you type across structured and unstructured sources, and connects to systems such as network drives, SharePoint, Jira and ServiceNow without moving your data. Curiosity runs on your own infrastructure for data privacy, respects your existing permissions and combines your knowledge graph with the AI models you choose. Built for industrial enterprises that need trustworthy answers from complex, connected data.Starting Price: €500/month -
5
Athina AI
Athina AI
Athina is a collaborative AI development platform that enables teams to build, test, and monitor AI applications efficiently. It offers features such as prompt management, evaluation tools, dataset handling, and observability, all designed to streamline the development of reliable AI systems. Athina supports integration with various models and services, including custom models, and ensures data privacy through fine-grained access controls and self-hosted deployment options. The platform is SOC-2 Type 2 compliant, providing a secure environment for AI development. Athina's user-friendly interface allows both technical and non-technical team members to collaborate effectively, accelerating the deployment of AI features.Starting Price: Free -
6
Momen
Momen
From MVP to scaled SaaS, build your custom apps with a smooth learning curve, all powered by Momen. Streamlined from prototype design to app deployment, with robust built-in backend, say farewell to traditional dev. Create apps in weeks, and iterate your ideas with ease, no coding needed. Project-based pricing without overage fees and third-party backend service, estimate costs upfront. Advanced collaboration workflows with access control, build fully custom apps for million-user projects from the start. Build every part of your product visually in Momen's drag-and-drop editor. Clarify user journey and interaction, and unleash your inner designer's creativity. See holistically how users journey through your product with our interactive and dynamic canvas. Watch your product come to life in real-time with live preview as you build and test its features, with the browser preserving the navigation state.Starting Price: $33 per month -
7
Swirl
Swirl
Swirl easily connects to your enterprise apps, and provides data access in real-time. Swirl provides real time retrieval augmented generation from your enterprise data securely. Swirl is designed to operate within your firewall. We do not store any data and can easily connect to your proprietary LLM. Swirl Search offers a groundbreaking solution, empowering your enterprise with lightning-fast access to everything you need, across all your data sources. Connect seamlessly with multiple connectors built for popular applications and platforms. No data migration required, Swirl integrates with your existing infrastructure, ensuring data security and privacy. Swirl is built with the enterprise in mind. We understand that moving your data just for searching and integrating AI is costly and in effective. Swirl provides a better solution, federated and unified search experience.Starting Price: Free -
8
Mindware
Mindware
Mindware is an API gateway that connects AI agents to the internet. We abstract away the coding and configuration required to interface with API services that enhance functionality, simplify real-time data retrieval, and automate workflows with a single API key. Whether you're a casual builder or shipping consumer-grade AI Agents, Mindware can help you interact with external APIs or perform specific tasks that require more than just text generation.Starting Price: $4.99 per month -
9
Svix
Svix
Webhooks require a lot more engineering time, resources and ongoing maintenance than you would first expect. Building a secure, reliable, and scalable webhook service is hard and time consuming. We built it so you can focus on what matters most, your business. Customer endpoints fail or hang more often than you think. You need automatic retries to ensure deliverability. You need to monitor the deliverability of your webhooks to different endpoints, disable failing ones and notify your customers. Webhooks come with a myriad of security implications, such as SSRF, replay attacks and unauthenticated webhook events. You would need to build a UI for your users to add and remove endpoints, inspect logs and get ongoing reports. Offer your users a great developer experience, including the ability to test, inspect and replay their webhooks.Starting Price: $490/month -
10
Middleware
Middleware
Middleware frees engineering managers from repetitive follow-ups to ensure smooth product delivery, and identification of workflow bottlenecks so they can remove any hiccups for their team. Middleware sits on top of the team's existing tools like GitHub, Calendar, and Jira and provides managers actionable insights to run their team efficiently and prevent their engineers from burning out. Single view which highlights areas to act on whether it is a delivery issue or a people issue. We bring insights using your PRs to find out which reviewer is the bottleneck or whether the team is just waiting long for reviews or reworking every code change. Spot if your team is too stretched on calls and deliveries to prevent burnout or boredom. Middleware 1:1s give you a look at the developer's performance and allow you to keep track of their growth areas and goals, hence helping you to grow your engineer as best you can.Starting Price: $16 per month -
11
esDynamic
eShard
Maximize your security testing journey, from setting up your bench to analyzing your data processing results, esDynamic saves you valuable time and effort, empowering you to unleash the full potential of your attack workflow. Discover the flexible and comprehensive Python-based platform, perfectly suited for every phase of your security analysis. Customize your research space to meet your unique requirements by effortlessly adding new equipment, integrating tools, and modifying data. Additionally, esDynamic features an extensive collection of materials on complex topics that would typically require extensive research or a team of specialists, granting you instant access to expertise. Say goodbye to scattered data and fragmented knowledge. Welcome a cohesive workspace where your team can effortlessly share data and insights, fostering collaboration and accelerating discoveries. Centralize and solidify your efforts in JupyterLab notebooks to share with your team.Starting Price: Free -
12
Defense Unicorns
Defense Unicorns
Defense Unicorns provides continuous delivery for national security systems, spanning cloud, on-prem, and edge environments in land, sea, air, and space domains. UDS removes the complexity and inefficiencies of government secure technology stacks. Seamlessly integrating mission capabilities with an open source 800-53 compliant platform (70% NIST compliant) and Infrastructure as Code (IaC) for your target environment, UDS creates a secure, declarative software bundle repeatedly deployable to all your environments without vendor locking your mission. The Defense Unicorns platform is open source, accessible, avoids vendor lock-in, and provides data independence. Defense Unicorns accelerates ATO timelines by leveraging a declarative cybersecurity stack that can be deployed in any cloud, on-prem, or edge environment. Defense Unicorns specializes in platform technologies that enable rapid and reliable delivery of capabilities across a wide range of mission and technology areas.Starting Price: Free -
13
Grammatech Proteus
Grammatech
Proteus is an advanced software testing system for automatically finding and fixing vulnerabilities, with no false alarms, aimed at development groups, testing organizations, and cybersecurity teams. It discovers vulnerabilities that could be triggered by potentially malicious files or network inputs, including many common entries in the Common Weakness Enumeration (CWE). The tool supports Windows and Linux native binaries. By integrating and simplifying the use of state-of-the-art tools for binary analysis and transformation, Proteus lowers the costs and increases the efficiency and effectiveness of software testing, reverse engineering, and maintenance. Binary analysis, mutational fuzzing, and symbolic execution without the need for source code, and a professional-grade user interface for result aggregation and presentation. Advanced exploitability reporting and reasoning capability, and deployment in a virtualized environment or on a host system.Starting Price: Free -
14
Polar Signals
Polar Signals
Polar Signals cloud is an always-on, zero-instrumentation continuous profiling product that helps improve performance, understand incidents, and lower infrastructure costs. With just one command and the easiest onboarding guide you’ll ever see, you can start saving costs and optimizing performance in your infrastructure. Travel back in time to pinpoint incidents and issues. Profiling data provides unique insight and depth into what a process executed over time. Utilize profiling data collected over time to confidently and statistically identify hot paths for optimization. Many organizations have 20-30% of resources wasted with code paths that could be easily optimized. Polar Signals Cloud employs an exceptional blend of technologies, purpose-built to deliver the profiling toolset essential for today's evolving infrastructure and applications. With a zero instrumentation setup, deploy immediately and reap the benefits of actionable observability data.Starting Price: $50 per month -
15
Goptimise
Goptimise
Leverage AI algorithms to receive intelligent suggestions for your API design. Accelerate development with automated recommendations tailored to your project. Generate your database automatically with AI. Streamline your deployment process, and amplify your productivity. Design and implement automated workflows for a smooth and efficient development cycle. Tailor automation processes to fit your specific project requirements. Achieve a personalized development experience with adaptable workflows. Enjoy the flexibility of managing diverse data sources within a single, organized environment. Design workspaces that reflect the structure of your projects. Create dedicated workspaces to house multiple data stores seamlessly. Streamlining tasks through programmed processes, enhancing efficiency, and reducing manual effort. Each user spawns their own dedicated instance(s). Incorporate custom logic for complex data operations.Starting Price: $45 per month -
16
API Swan
API Swan
Elevate your development process with our robust API solution, and ensure stability, performance, and reliability in every release. Seamless Integration with CI/CD, forging a cohesive development pipeline. API Swan is driven by the mission to forge a software testing platform that stands as the pinnacle of affordability and reliability, designed expressly for engineering teams navigating the early-growth stage startup terrain. Ship products at 10x velocity, and catch more bugs, effortlessly. 24/7 application monitoring for uninterrupted performance. Auto-generates regression tests from network traffic. Cutting-edge automated test case design, seamlessly entwined within your workflow. Effortless automatic documentation of APIs and schemas, saving precious time.Starting Price: $89 per month -
17
StepSecurity
StepSecurity
If you are using GitHub Actions for CI/CD and are worried about the security of CI/CD pipelines, StepSecurity platform is for you. Implement network egress control and CI/CD infrastructure security for GitHub Actions runners. Discover CI/CD risks and GitHub Actions security misconfiguration. Standardize GitHub Actions CI/CD pipeline as code files by automated pull requests. Provides runtime security to help you prevent SolarWinds and Codecov CI/CD security attacks by blocking egress traffic with an allowlist. Instant contextualized insight into network and file events for all workflow runs. Control network egress traffic with granular job-level and default cluster-wide policies. Many GitHub Actions are not maintained and are risky. Enterprises fork such Actions, but ongoing maintenance is expensive. By offloading the tasks of reviewing, forking, and maintaining Actions to StepSecurity, enterprises can realize substantial risk reduction and time savings.Starting Price: $1,600 per month -
18
Mint CI/CD
RWX
Content-based caching prevents you from waiting on the same work twice. When you run the same command on the same set of files, Mint produces a cache hit instead of executing the task again. Semantic outputs provide you with a richly formatted, customized UI display of results that knows the difference between tests, linter errors, and more; not just a basic log file. The task-based DAG execution model lets you build simpler, more efficient workflows. It cuts out manual copy-paste efforts and runs with optimal parallelization. Remote debugging allows you to define breakpoints in a running task and open up a bash shell. Instead of blindly throwing darts at the dartboard to find bugs, Mint helps you figure out exactly what you need to change. The Mint CLI lets you decide whether to start a run locally on your machine or push code to test changes. No more pushing code just to test a minor change.Starting Price: $0.008 per minute -
19
StreamNative
StreamNative
StreamNative redefines streaming infrastructure by seamlessly integrating Kafka, MQ, and other protocols into a single, unified platform, providing unparalleled flexibility and efficiency for modern data processing needs. StreamNative offers a unified solution that adapts to the diverse requirements of streaming and messaging in a microservices-driven environment. By providing a comprehensive and intelligent approach to messaging and streaming, StreamNative empowers organizations to navigate the complexities and scalability of the modern data ecosystem with efficiency and agility. Apache Pulsar’s unique architecture decouples the message serving layer from the message storage layer to deliver a mature cloud-native data-streaming platform. Scalable and elastic to adapt to rapidly changing event traffic and business needs. Scale-up to millions of topics with architecture that decouples computing and storage.Starting Price: $1,000 per month -
20
Peach Fuzzer
Peach Tech
Peach is a SmartFuzzer that is capable of performing both generation and mutation-based fuzzing. Peach requires the creation of Peach Pit files that define the structure, type information, and relationships in the data to be fuzzed. It additionally allows for the configuration of a fuzzing run including selecting a data transport (publisher), logging interface, etc. Peach has been under active development since 2004 and is in its third major version. Fuzzing continues to be the fastest way to find security issues and test for bugs. Effective hardware fuzzing with Peach will introduce students to the fundamentals of device fuzzing. Peach was designed to fuzz any type of data consumer from servers to embedded devices. Researchers, corporations, and governments already use Peach to find vulnerabilities in hardware. This course will focus on using Peach to target embedded devices and collect information from the device in the event of a crash.Starting Price: Free -
21
Etheno
Crytic
Etheno is an Ethereum-testing, JSON RPC multiplexer, analysis tool wrapper, and test integration tool. It eliminates the complexity of setting up analysis tools like Echidna on large, multi-contract projects. If you are a smart contract developer, you should use Etheno to test your contracts. If you are an Ethereum client developer, you should use Etheno to perform differential testing on your implementation. Etheno runs a JSON RPC server that can multiplex calls to one or more clients. API for filtering and modifying JSON RPC calls. Enables differential testing by sending JSON RPC sequences to multiple Ethereum clients. Deploy to and interact with multiple networks at the same time. Integration with test frameworks like Ganache and Truffle. Run a local test network with a single command. Use our prebuilt Docker container to quickly install and try Etheno. Etheno can be used in many different ways and therefore, has numerous command-line argument combinations.Starting Price: Free -
22
Solidity Fuzzing Boilerplate
patrickd
Solidity Fuzzing Boilerplate is a template repository intended to ease fuzzing components of Solidity projects, especially libraries. Write tests once and run them with both Echidna and Foundry's fuzzing. Fuzz components that use incompatible Solidity versions by deploying those into a Ganache instance via Etheno. Use HEVM's FFI cheat code to generate complex fuzzing inputs or to compare outputs with non-EVM executables while doing differential fuzzing. Publish your fuzzing experiments without worrying about licensing by extending the shell script to download specific files. Turn off FFI if you don't intend to make use of shell commands from your Solidity contracts. Note that FFI is slow and should only be used as a workaround. It can be useful for testing against things that are difficult to implement within Solidity and already exist in other languages. Before executing tests of a project that has FFI enabled, be sure to check what commands are actually being executed.Starting Price: Free -
23
hevm
DappHub
The hevm project is an implementation of the Ethereum Virtual Machine (EVM) made specifically for symbolic execution, unit testing, and debugging of smart contracts. It is developed by DappHub and integrates especially well with the DappHub tool suite. The hevm command line program can symbolically execute smart contracts, run unit tests, interactively debug contracts while showing the Solidity source, or run arbitrary EVM code. Computations can be performed using a local state set up in a testing harness or fetched on demand from live networks using RPC calls. Run a symbolic execution against the given parameters, searching for assertion violations. One can also specialize specific arguments to a function signature while leaving others abstract. hevm uses an eager approach for symbolic execution, meaning that it will first attempt to explore all branches of the program.Starting Price: Free -
24
Tayt
Crytic
Tayt is a StarkNet smart contract fuzzer. We recommend using a Python virtual environment. When starting you will see the properties to be checked and the external functions used to generate a sequence of transactions. Eventually, if a property is violated a call sequence will be presented with the order of functions to be called, the respective arguments passed, the caller address, and the events emitted. With Tayt, you can test a contract that deploys other contracts.Starting Price: Free -
25
ImmuneBytes
ImmuneBytes
Fortify your blockchains with our impeccable audit services for unparalleled security in the decentralized realm. If you're spending sleepless nights worrying about losing funds to hackers, choose from our stack of services, and bid farewell to all your fears. In-depth analysis of the code by industry veterans to detect the vulnerabilities in your smart contract. Our experts secure your blockchain applications by mitigating risks through security design, assessment, audit, and compliance services. Our independent team of prolific penetration testers performs an extensive exercise to detect vulnerabilities and system exploits. We are the torch-bearers of making the space safer for everyone and do it by helping with a complete, systematic analysis to enhance the product's overall security. Recovery of funds is as equally important as a security audit. Have the facility to track user funds with our transaction risk monitoring system and boost users' confidence.Starting Price: Free -
26
Google OSS-Fuzz
Google
OSS-Fuzz offers continuous fuzzing for open source software. Fuzz testing is a well-known technique for uncovering programming errors in software. Many of these detectable errors, like buffer overflow, can have serious security implications. Google has found thousands of security vulnerabilities and stability bugs by deploying guided in-process fuzzing of Chrome components, and we now want to share that service with the open source community. OSS-Fuzz aims to make common open source software more secure and stable by combining modern fuzzing techniques with scalable, distributed execution. Projects that do not qualify for OSS-Fuzz can run their own instances of ClusterFuzz or ClusterFuzzLite. Currently, OSS-Fuzz supports C/C++, Rust, Go, Python, and Java/JVM code. Other languages supported by LLVM may work too. OSS-Fuzz supports fuzzing x86_64 and i386 builds.Starting Price: Free -
27
Awesome Fuzzing
secfigo
Awesome Fuzzing is a list of fuzzing resources including books, courses, both free and paid, videos, tools, tutorials, and vulnerable applications to practice in order to learn fuzzing and initial phases of exploit development like root cause analysis. Courses/training videos on fuzzing, videos talking about fuzzing techniques, tools, and best practices. Conference talks and tutorials, blogs, tools that help in fuzzing applications, and fuzzers that help in fuzzing applications that use network-based protocols like HTTP, SSH, SMTP, etc. Search and pick the exploits, that have respective apps available for download, and reproduce the exploit by using the fuzzer of your choice. Set of tests for fuzzing engines. Includes different well-known bugs. A corpus, including various file formats for fuzzing multiple targets in the fuzzing literature.Starting Price: Free -
28
Fuzzing Project
Fuzzing Project
Fuzzing is a powerful strategy to find bugs in software. The idea is quite simple, which is to generate a large number of randomly malformed inputs for the software to parse and see what happens. If the program crashes then something is likely wrong. While fuzzing is a well-known strategy, it is surprisingly easy to find bugs, often with security implications, in widely used software. Memory access errors are the errors most likely to be exposed when fuzzing software that is written in C/C++. While they differ in the details, the core problem is often the same, the software reads or writes to the wrong memory locations. A modern Linux or BSD system ships a large number of basic tools that do some kind of file displaying and parsing. In their current state, most of these tools are not suitable for untrusted inputs. On the other hand, we have powerful tools these days that allow us to find and analyze these bugs.Starting Price: Free -
29
LibFuzzer
LLVM Project
LibFuzzer is an in-process, coverage-guided, evolutionary fuzzing engine. LibFuzzer is linked with the library under test, and feeds fuzzed inputs to the library via a specific fuzzing entry point (or target function); the fuzzer then tracks which areas of the code are reached, and generates mutations on the corpus of input data in order to maximize the code coverage. The code coverage information for libFuzzer is provided by LLVM’s SanitizerCoverage instrumentation. LibFuzzer is still fully supported in that important bugs will get fixed. The first step in using libFuzzer on a library is to implement a fuzz target, a function that accepts an array of bytes and does something interesting with these bytes using the API under test. Note that this fuzz target does not depend on libFuzzer in any way so it is possible and even desirable to use it with other fuzzing engines like AFL and/or Radamsa.Starting Price: Free -
30
american fuzzy lop
Google
American fuzzy lop is a security-oriented fuzzer that employs a novel type of compile-time instrumentation and genetic algorithms to automatically discover clean, interesting test cases that trigger new internal states in the targeted binary. This substantially improves the functional coverage for the fuzzed code. The compact synthesized corpora produced by the tool are also useful for seeding other, more labor or resource-intensive testing regimes down the road. Compared to other instrumented fuzzers, afl-fuzz is designed to be practical, it has a modest performance overhead, uses a variety of highly effective fuzzing strategies and effort minimization tricks, requires essentially no configuration, and seamlessly handles complex, real-world use cases, say, common image parsing or file compression libraries. It's an instrumentation-guided genetic fuzzer capable of synthesizing complex file semantics in a wide range of non-trivial targets.Starting Price: Free
