Open Source BSD Browsers
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Browsers for BSD
Browse free open source Browsers and projects for BSD below. Use the toggles on the left to filter open source Browsers by OS, license, language, programming language, and project status.
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MongoDB Atlas runs apps anywhereMongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
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Try Google Cloud Risk-Free With $300 in CreditUse your credit across every product. Compute, storage, AI, analytics. When it runs out, 20+ products stay free. You only pay when you choose to.
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DB Browser for SQLite
The DB Browser for SQLite
DB Browser for SQLite (DB4S) is a high quality, visual, open source tool to create, design, and edit database files compatible with SQLite. DB4S is for users and developers who want to create, search, and edit databases. DB4S uses a familiar spreadsheet-like interface, and complicated SQL commands do not have to be learned. This program is not a visual shell for the sqlite command line tool, and does not require familiarity with SQL commands. It is a tool to be used by both developers and end users, and must remain as simple to use as possible in order to achieve these goals. Import and export records as text, import and export tables from/to CSV files, import and export databases from/to SQL dump files, issue SQL queries and inspect the results, examine a log of all SQL commands issued by the application, plot simple graphs based on table or query data. -
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Gemma 4 Browser Assistant
On-device AI agent Chrome extension powered by Transformers.js
Gemma 4 Browser Assistant is an open-source browser extension that embeds an AI assistant directly into the browsing experience, powered by on-device machine learning models. It uses Transformers.js and Gemma models to run inference locally in the browser, eliminating the need for external servers and preserving user privacy. The extension includes a side panel interface that allows users to interact with the AI while browsing, enabling tasks such as summarizing pages and answering questions. It can access and analyze page content, browsing history, and tab state to provide contextual assistance. The architecture follows modern browser extension standards, with separate components for background processing, content scripts, and UI rendering. It also supports tool-calling capabilities, allowing the AI to perform actions such as navigating tabs or highlighting elements. Overall, it demonstrates how to build fully local, agent-based assistants inside web browsers. -
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Eric Integrated Development Environment
Python Development Environment with all batteries included
Eric is a Python IDE written using PyQt and QScintilla. It provides various features such as any number of open editors, an integrated (remote) debugger, project management facilities, unit test, refactoring and much more. -
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uBlock
uBlock: a fast, lightweight, and lean blocker for Chrome, Firefox
uBlock: a fast, lightweight, and lean blocker for Chrome, Firefox, and Safari. Available on the Chrome Web Store or for manual installation. Available to install from the homepage. Available for install from the homepage or from the App Store. Available on the Firefox Add-ons site, or for manual installation. Opera shares Chrome's underlying engine, so you can install uBlock simply by grabbing the latest release for Chrome.To benefit from uBlock's higher efficiency, it's advised that you don't use other blockers at the same time (such as AdBlock or Adblock Plus). uBlock will do as well or better than most popular ad blockers. It's important to note that blocking ads is not theft. Don't fall for this creepy idea. The ultimate logical consequence of blocking = theft is the criminalisation of the inalienable right to privacy. -
Full-stack observability with actually useful AI | Grafana CloudBuilt on open standards like Prometheus and OpenTelemetry, Grafana Cloud includes Kubernetes Monitoring, Application Observability, Incident Response, plus the AI-powered Grafana Assistant. Get started with our generous free tier today.
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FreeWRL is an Open Source, cross platform VRML2 and X3D compliant browser, with script, SAI and EAI support. Platforms supported: Linux and other Unix-style platforms; Mac OS/X; Windows. Support for mobile platforms (iOS, Android, QNX) is under development.
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Orphne is a highly specialized web browser, optimized for viewing "adult" content. Features include tagging, rating, and bookmarking sites, an integrated search, and slide shows. Please note that orphne is intended for adults only.
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PNG (Portable Network Graphics image format) and MNG (Multiple-image Network Graphics image and animation format) home sites
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w3m is a pager and/or text-based browser. It can handle table, cookies, authentication, and almost everything except JavaScript.
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Turbo Download Manager
A portable modern multi-threading download manager for all platforms
A modern multi thread download manager for Windows, Linux, Mac OS, Firefox, Chrome, Opera and Android devices. For bug reports visit: https://github.com/inbasic/turbo-download-manager/issues For FAQs visit: http://add0n.com/turbo-download-manager.html Turbo Download Manager is an stand-alone application without any dependencies. It should run out of the box. Just set the download location while adding the first job request. If you have a browser and would like to integrate this download, use these browser extensions: Firefox: https://addons.mozilla.org/firefox/addon/turbo-download-manager/ Opera: https://addons.opera.com/extensions/details/turbo-download-manager/ Chrome: https://chrome.google.com/webstore/detail/turbo-download-manager/kemfccojgjoilhfmcblgimbggikekjip -
Our Free Plans just got better! | Auth0You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
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Telegraf
The plugin-driven server agent for collecting and reporting metrics
Telegraf is an agent for collecting, processing, aggregating, and writing metrics. Design goals are to have a minimal memory footprint with a plugin system so that developers in the community can easily add support for collecting metrics. Telegraf is plugin-driven and has the concept of 4 distinct plugin types. Input Plugins collect metrics from the system, services, or 3rd party APIs. Processor Plugins transform, decorate, and/or filter metrics. Aggregator Plugins create aggregate metrics (e.g. mean, min, max, quantiles, etc.). Output Plugins write metrics to various destinations. New plugins are designed to be easy to contribute, pull requests are welcomed and we work to incorporate as many pull requests as possible. You can try Telegraf right in your browser in the Telegraf playground. Telegraf shares the same minimum requirements as Go. -
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HTML Viewer Components for Delphi, Lazarus and C++Builder The HtmlViewer component set consists of the THtmlViewer, TFrameViewer, and TFrameBrowser components. All three are HTML document display components: THtmlViewer * The basic component. * THtmlViewer displays single (non-frame) documents. * It also forms the basis for the other two components. TFrameViewer * Displays both frame and single HTML documents. * TFrameViewer is oriented more for local file system use. TFrameBrowser * Also displays frame and single HTML documents. * TFrameBrower is oriented for use with local file systems and toward Internet style protocols and URL usage. * Additional code and/or components are generally required to get data from other sources than the local file system. These components Support most of the HTML 4.01 specifications with many additional popular HTML 5 enhancements. Many Cascading Style Sheet properties are also supported.
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OWASP Mantra - Security Framework
Free and Open Source Browser based Security Framework
OWASP Mantra - Free and Open Source Browser based Security Framework, is a collection of free and open source tools integrated into a web browser, which can become handy for penetration testers, web application developers, security professionals etc. -
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Open ChatGPT Atlas
Open Source and Free Alternative to ChatGPT Atlas
Open ChatGPT Atlas is an open-source toolkit and interface for working with OpenAI’s ChatGPT models in a more extensible, adaptable, and composable way than standard web UIs allow. It provides an architecture where developers and power users can manage state, tool integrations, and multi-turn workflows with more control, enabling custom UIs, automation layers, and advanced routing logic. Unlike a fixed chat app, Atlas is designed as a foundation that can be extended with plugins, external APIs, and custom logic to support domain-specific assistants, agent-like behaviors, and multi-task workflows. The project includes utilities for session management to preserve context across interactions, structured interfaces for streaming responses, and integration layers that let you plug in third-party tools and services. It often forms the basis for research, prototyping, or production systems where the default ChatGPT interface isn’t flexible enough. -
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Pinchtab
High-performance browser automation bridge and orchestrator
Pinchtab is a lightweight browser automation backend built specifically for AI agents that need efficient, programmatic web control. Implemented as a small standalone HTTP server, it allows any agent or script to interact with web pages using simple API calls instead of heavyweight browser frameworks. The tool emphasizes accessibility-first snapshots that dramatically reduce token usage compared to screenshot-based approaches, making it cost-effective for large-scale automation. It launches and manages its own Chrome instance while remaining framework-agnostic, so it can be used with any language or agent system. Pinchtab also supports persistent sessions, stealth automation, and both headless and headed operation modes. The project’s goal is to provide fast, cheap, and portable browser control infrastructure for modern AI workflows. -
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builder.io
Visual Development for React, Vue, Svelte, Qwik, and more
Builder is an open-source visual development platform and headless content management system designed to help teams build and manage digital experiences more efficiently. The platform combines a drag-and-drop visual editor with an API-driven content system that can deliver structured content to any front-end framework or application. Builder allows developers to integrate their existing components and design systems while enabling designers and marketers to modify layouts and publish content without writing code. Through its headless architecture, content and layouts can be delivered across websites, mobile applications, and other digital channels. The system also includes optimization tools that allow teams to experiment with layouts, personalize content, and iterate on user experiences quickly. -
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Graphite is a project within SIL's scripts and software dev groups to provide cross-platform rendering for complex writing systems. This project has been deprecated. Graphite2, a new version of the Graphite engine, is available at: https://github.com/silnrsi/graphite with its own bug tracker.
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Dev Browser
A Claude Skill to give your agent the ability to use a web browser
Dev Browser is a browser automation skill/plugin that enables an AI agent to control a real browser for verification and testing during development. Its purpose is to close the gap between “code was written” and “the UI actually works,” by letting the agent navigate, interact with pages, and validate behavior in a live environment. A key idea is persistence: the browser can keep pages open so the agent can navigate once and then perform multiple interactions across scripts without losing state each time. It supports flexible execution modes, allowing full-script runs when tasks are straightforward and step-by-step exploration when the agent needs to inspect or iterate carefully. To make automation more reliable for language models, it provides LLM-friendly DOM snapshots that structure the page in a way that is easier for an agent to interpret than raw HTML dumps. -
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Plasmic
Build apps, websites, and content. Integrate with your codebase
Plasmic is a visual development platform designed to help teams design, build, and manage websites and web applications through a combination of visual editing tools and code integration. The platform provides a drag-and-drop design environment that allows designers, developers, and product teams to collaborate on building user interfaces while maintaining compatibility with modern front-end frameworks. Instead of requiring developers to manually code every layout, Plasmic allows visual designs to be converted directly into production-ready React components and integrated into existing codebases. This approach enables non-developers such as designers or marketers to create and modify content without breaking application logic. Plasmic also functions as a headless CMS and page builder that can deliver content and components to multiple types of applications. -
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the hotdog web browser
The hotdog web browser and browser engine
the hotdog web browser project is a hobbyist web browser and layout engine written entirely from scratch in Go to explore how browsers work under the hood, implementing core components like an HTML parser, CSS rendering, UI toolkit, networking, and layout logic without relying on heavy external dependencies. It’s far from being a complete or spec-compliant browser, but it’s designed to be a learning platform and experimental codebase for anyone curious about browser internals and rendering architecture. The repository includes custom named modules such as ketchup for HTML parsing, mayo for CSS rendering, and a minimal OpenGL/GLFW-based UI toolkit termed mustard, among others. Because it’s handcrafted with minimal dependencies (only OpenGL and GLFW outside the standard library), it emphasizes understanding every part of the browser stack. Development is ongoing and community contributions (ideas, features, bug reports) are welcome. -
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CSSBox
Pure Java HTML / CSS rendering engine
CSSBox is an (X)HTML/CSS rendering engine written in pure Java. Its primary purpose is to provide a complete information about the rendered page suitable for further processing. However, it also allows displaying the rendered document. -
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XForms to XHTML+Javascript (AJAX) conversion based on a unique XSL transformation. Suitable server-side (PHP) or client-side (Internet Explorer, Mozilla FireFox, Opera, Safari) browser treatement where an XSLT 1.0 engine is available
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A graphical web browser with an emphasis on security, performance, and portability.
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Cockpit Next
Add content management functionality to any site
Cockpit is an open-source headless content management system designed to add flexible content management functionality to websites, applications, and digital platforms. The system provides a lightweight backend where developers can create custom content models and manage structured data without imposing a specific front-end framework. Because Cockpit follows an API-first architecture, content can be delivered through REST or GraphQL APIs to any application, including websites, mobile apps, and static site generators. The platform is designed to be simple to install and can be hosted on standard PHP environments with minimal configuration. Developers can create collections, singletons, and content trees to organize structured data according to the needs of their project. Cockpit also supports extensions and add-ons that expand the system with additional functionality such as search, authentication, or localization features. -
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Reka UI
An open-source UI component library for building design systems
Reka UI is an open-source UI component library designed for building accessible and customizable web interfaces in Vue-based applications. The library provides a collection of unstyled UI primitives that developers can use as the foundation for creating fully customized design systems. Rather than forcing a predefined visual style, Reka UI focuses on accessibility, composability, and flexibility, allowing developers to implement their own visual themes and branding. The project evolved from the Radix Vue initiative and aims to bring the same accessibility-focused component patterns to the Vue ecosystem. By providing low-level building blocks instead of finished components, Reka UI allows developers to design complex interface elements while maintaining full control over styling and behavior.
