Showing 9153 open source projects for "java open source"

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  • Context for your AI agents Icon
    Context for your AI agents

    Crawl websites, sync to vector databases, and power RAG applications. Pre-built integrations for LLM pipelines and AI assistants.

    Build data pipelines that feed your AI models and agents without managing infrastructure. Crawl any website, transform content, and push directly to your preferred vector store. Use 10,000+ tools for RAG applications, AI assistants, and real-time knowledge bases. Monitor site changes, trigger workflows on new data, and keep your AIs fed with fresh, structured information. Cloud-native, API-first, and free to start until you need to scale.
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  • Trumba is an All-in-one Calendar Management and Event Registration platform Icon
    Trumba is an All-in-one Calendar Management and Event Registration platform

    Great for live, virtual and hybrid events

    Publish, promote and track your events more affordably and effectively—all in one place.
    Learn More
  • 1
    K8SGPT

    K8SGPT

    Giving Kubernetes Superpowers to everyone

    K8sGPT is a tool for scanning your Kubernetes clusters and diagnosing and triaging issues in simple English. It has SRE experience codified into its analyzers and helps to pull out the most relevant information to enrich it with AI. We have created analyzers that search your Kubernetes cluster for common problems and issues. These analyzers are based on SRE experience and are constantly being updated to keep up with the latest Kubernetes releases. Our ambition is to support multiple...
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  • 2
    Metro

    Metro

    The JavaScript bundler for React Native

    Metro aims for sub-second reload cycles, fast startup and quick bundling speeds. Works with thousands of modules in a single application. Supports every React Native project out of the box. Instead of creating the full server, create a Connect middleware that answers to bundle requests. This middleware can then be plugged into your own servers. The port parameter is optional and only used for logging purposes. The onBundleBuilt function is optional, is passed the bundle name, and is called...
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  • 3
    Logrus

    Logrus

    Structured, pluggable logging for Go

    Logrus is a structured, pluggable logger for Go (golang) that is completely API compatible with the standard library logger. It encourages careful, structured logging through much more discoverable logging fields rather than long, unparseable error messages. This produces much more useful logging messages. Logrus is currently in maintenance mode, which means that new features will no longer be introduced. This does not mean however, that it is dead. It continues to be maintained for...
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  • 4
    Coq Jupyter

    Coq Jupyter

    Jupyter kernel for Coq

    Make sure that CoqIDE (8.6 or newer) is installed and coqidetop or coqidetop.opt (coqtop for Coq versions before 8.9.0) is in your PATH. Also, make sure the python command is recognized on your machine. If not you can set up an alias for it e.g. python-is-python3 on Ubuntu. There are a number of convenience improvements over standard Jupyter notebook behavior that are implemented to support Coq-specific use cases.
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  • Inventors: Validate Your Idea, Protect It and Gain Market Advantages Icon
    Inventors: Validate Your Idea, Protect It and Gain Market Advantages

    SenseIP is ideal for individual inventors, startups, and businesses

    senseIP is an AI innovation platform for inventors, automating any aspect of IP from the moment you have an idea. You can have it researched for uniqueness and protected; quickly and effortlessly, without expensive attorneys. Built for business success while securing your competitive edge.
    Learn More
  • 5
    .NET Interactive

    .NET Interactive

    .NET Interactive takes .NET and embeds it into your experiences

    .NET Interactive takes the power of .NET and embeds it into your interactive experiences. Share code, explore data, write, and learn across your apps in ways you couldn't before. We recently introduced the .NET Interactive Notebooks extension for Visual Studio Code, which adds support for .NET Interactive using the new Visual Studio Code native notebook feature. We encourage you to try it out. .NET Interactive enables users to mix languages in a single notebook or cell without a wrapper. The...
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  • 6
    EPLB

    EPLB

    Expert Parallelism Load Balancer

    EPLB is DeepSeek’s open implementation of a load balancing algorithm designed for expert parallelism (EP) settings in MoE architectures. In EP, different “experts” are mapped to different GPUs or nodes, so load imbalance becomes a performance bottleneck if certain experts are invoked much more often. EPLB solves this by duplicating heavily used experts (redundancy) and then placing those duplicates across GPUs to even out computational load. It uses policies like hierarchical load balancing...
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  • 7
    PgHero

    PgHero

    A performance dashboard for Postgres

    PGHero (ankane/pghero) is an open-source tool for monitoring and analyzing PostgreSQL database performance, built to provide insights into query behavior, index usage, replication lag, and resource bottlenecks. It runs alongside your application (often as a Rails engine, but usable standalone) and collects metrics from PostgreSQL system views, logging slow queries, long-running transactions, and missing indexes.
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  • 8
    Mailu

    Mailu

    Insular email distribution - mail server as Docker images

    Mailu is a simple yet full-featured mail server as a set of Docker images. It is free software (both as in free beer and as in free speech), open to suggestions and external contributions. The project aims at providing people with an easily setup, easily maintained and full-featured mail server while not shipping proprietary software nor unrelated features often found in popular groupware. Security, enforced TLS, DANE, MTA-STS, Letsencrypt!, outgoing DKIM, anti-virus scanner, Snuffleupagus,...
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  • 9
    OTOMI

    OTOMI

    Self-hosted DevOps Platform for Kubernetes

    Otomi is an open source self-hosted PaaS to run on top of any Kubernetes cluster and is placed in the CNCF landscape under the PaaS/Container Service section. A PaaS attempts to connect many of the technologies found in the CNCF landscape in a way to provide direct value. Deploy containerized apps with a few click without writing any K8s YAML manifests.
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  • The Most Powerful Software Platform for EHSQ and ESG Management Icon
    The Most Powerful Software Platform for EHSQ and ESG Management

    Addresses the needs of small businesses and large global organizations with thousands of users in multiple locations.

    Choose from a complete set of software solutions across EHSQ that address all aspects of top performing Environmental, Health and Safety, and Quality management programs.
    Learn More
  • 10
    level

    level

    Universal abstract-level database for Node.js and browsers

    Universal abstract-level database for Node.js and browsers. Universal abstract-level database for Node.js and browsers. This is a convenience package that exports classic-level in Node.js and browser-level in browsers, making it an ideal entry point to start creating lexicographically sorted key-value databases. All asynchronous methods also support callbacks. TypeScript type declarations are included and cover the methods that are common between classic-level and browser-level. Usage from...
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  • 11
    Foundatio

    Foundatio

    Pluggable foundation blocks for building distributed apps

    ...Wanted to build against abstract interfaces so that we could easily change implementations. Wanted the blocks to be dependency injection friendly. We were initially using an open-source Redis cache client but then it turned into a commercial product with high licensing costs. Not only that but there weren't any in-memory implementations so every developer was required to set up and configure Redis. We initially looked at NServiceBus (a great product) but it had high licensing costs (they have to eat too) and was not OSS friendly.
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  • 12
    Filesystem Component

    Filesystem Component

    The Filesystem component provides basic utilities for the filesystem

    The Filesystem component provides platform-independent utilities for filesystem operations and for file/directory paths manipulation. The component contains two main classes called Filesystem and Path. mkdir() creates a directory recursively. On POSIX filesystems, directories are created with a default mode value 0777. You can use the second argument to set your own mode. exists() checks for the presence of one or more files or directories and returns false if any of them is missing. copy()...
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  • 13
    Guard

    Guard

    Guard is a command line tool to easily handle events on file system

    Please upgrade to Ruby >= 2.4 before installing Guard! To install for older versions, update Bundler at least 1.12: gem update bundler and Bundler should correctly resolve to earlier gems for your given Ruby version. Guard automates various tasks by running custom rules whenever file or directories are modified. It's frequently used by software developers, web designers, writers and other specialists to avoid mundane, repetitive actions and commands such as "relaunching" tools after changing...
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  • 14
    SeaweedFS

    SeaweedFS

    Distributed storage system for blobs, objects, files, and data lake

    ...Filer supports cross-cluster active-active replication, Kubernetes, POSIX, S3 API, encryption, Erasure Coding for warm storage, FUSE mount, Hadoop, WebDAV. SeaweedFS is an independent Apache-licensed open source project with its ongoing development made possible because of the community. SeaweedFS is a simple and highly scalable distributed file system. There are two objectives, to store billions of files, and to serve the files fast! SeaweedFS started as an Object Store to handle small files efficiently. Instead of managing all file metadata in a central master, the central master only manages volumes on volume servers, and these volume servers manage files and their metadata.
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  • 15
    fish

    fish

    The user-friendly command line shell

    Finally, a command line shell for the 90s. fish is a smart and user-friendly command line shell for Linux, macOS, and the rest of the family. fish suggests commands as you type based on history and completions, just like a web browser. Watch out, Netscape Navigator 4.0! fish supports 24 bit true color, the state of the art in terminal technology. Behold the monospaced rainbow. fish is fully scriptable, and its syntax is simple, clean, and consistent. You'll never write esac again. For those...
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  • 16
    Wagtail

    Wagtail

    A Django content management system focused on flexibility & UX

    Wagtail is a powerful, open source content management system that’s focused on flexibility and user experience. Built on Django, Wagtail offers precise control and flexibility for designers, developers and editors. Designed by developers for developers, Wagtail plays nicely with everything else in your tech stack so you can do more and focus on perfecting your site.
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  • 17
    Human Signals

    Human Signals

    Human-friendly process signals

    human-signals is a lightweight Node.js library that provides human-readable descriptions for POSIX signal names like SIGTERM, SIGINT, and SIGHUP. Rather than relying on scattered documentation or hard-to-remember codes, this library maps system signals to meaningful explanations, including default behaviors, standard descriptions, and exit codes. It’s ideal for building CLI tools or process managers that handle termination signals and want to provide better logging, debugging, or user feedback.
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  • 18
    Hyperledger Cello

    Hyperledger Cello

    Operating System for Enterprise Blockchain

    Hyperledger Cello is a blockchain operation and provisioning system designed to automate the deployment, management, and scaling of Hyperledger Fabric networks. As part of the Hyperledger project under the Linux Foundation, Cello aims to offer Blockchain-as-a-Service (BaaS) by abstracting the complexity of infrastructure setup for consortiums and enterprises. It provides a dashboard, APIs, and orchestration tools to help users create, monitor, and manage blockchain nodes, ledgers, and...
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  • 19
    django-health-check

    django-health-check

    a pluggable app that runs a full check on the deployment

    The primary intended use case is to monitor conditions via HTTP(S), with responses available in HTML and JSON formats. When you get back a response that includes one or more problems, you can then decide the appropriate course of action, which could include generating notifications and/or automating the replacement of a failing node with a new one. If you are monitoring health in a high-availability environment with a load balancer that returns responses from multiple nodes, please note that...
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  • 20
    Icinga 2

    Icinga 2

    The core of our monitoring platform

    Icinga is a monitoring system that checks the availability of your network resources, notifies users of outages, and generates performance data for reporting. Scalable and extensible, Icinga can monitor large, complex environments across multiple locations. This includes your data center as well as your private, public, or hybrid clouds. Icinga 2 is the monitoring server and requires Icinga Web 2 on top in your Icinga Stack. The configuration can be easily managed with either the Icinga...
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  • 21
    inlets-operator

    inlets-operator

    Get public TCP LoadBalancers for local Kubernetes clusters

    Get public TCP LoadBalancers for local Kubernetes clusters. When using a managed Kubernetes engine, you can expose a Service as a "LoadBalancer" and your cloud provider will provision a TCP cloud load balancer for you, and start routing traffic to the selected service inside your cluster. In other words, you get ingress to an otherwise internal service. The inlets-operator brings that same experience to your local Kubernetes cluster by provisioning a VM on the public cloud and running an...
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  • 22
    Hubble

    Hubble

    Network, Service & Security Observability for Kubernetes using eBPF

    Hubble is a fully distributed networking and security observability platform for cloud native workloads. It is built on top of Cilium and eBPF to enable deep visibility into the communication and behavior of services as well as the networking infrastructure in a completely transparent manner. The Linux kernel technology eBPF is enabling visibility into systems and applications at a granularity and efficiency that was not possible before. It does so in a completely transparent way, without...
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  • 23
    Postgres Operator

    Postgres Operator

    Postgres operator creates and manages PostgreSQL clusters

    The Postgres Operator delivers easy-to-run highly available PostgreSQL clusters on Kubernetes (K8s) powered by Patroni. It is configured only through Postgres manifests (CRDs) to ease integration into automated CI/CD pipelines with no access to Kubernetes API directly, promoting infrastructure as code vs manual operations.
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  • 24
    Consola

    Consola

    Elegant Console Logger for Node.js and Browser

    Fancy output with fallback for minimal environments. Consistent command-line interface (CLI) experience. Spam prevention by throttling logs. console uses std in the underlying so calling wrapStd redirects console too. The benefit of this function is that things like console.info will be correctly redirected to the corresponding type. Any instance of consola that inherits the mocked instance, will apply provided callback again. This way, mocking works for withTag scoped loggers without the...
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  • 25
    AWS IoT Jobs library

    AWS IoT Jobs library

    Client library for using AWS IoT Jobs service on embedded devices

    ...This library provides a convenience API to compose and recognize the MQTT topic strings used by the Jobs service. The library is written in C compliant with ISO C90 and MISRA C:2012, and is distributed under the MIT Open Source License. This library has gone through code quality checks including verification that no function has a GNU Complexity score over 8, and checks against deviations from mandatory rules in the MISRA coding standard. Deviations from the MISRA C:2012 guidelines are documented under MISRA Deviations. This library has also undergone both static code analysis from Coverity.
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