Top rated free open source alternatives

The highest-rated free and open source software, ranked by community ratings (7/10 and above). Find the best open-source alternatives worth your time.

GIMP is for GNU Image Manipulation Program (GIMP). GIMP is a cross-platform image editor available for GNU/Linux, macOS, Windows and more operating systems. It is free software. Whether you are a graphic designer, photographer, illustrator, or scientist, GIMP provides you with sophisticated tools to get your job done. You can further enhance your productivity with GIMP thanks to many customization options and 3rd party plugins.

FreeWindowsmacOSLinux

Test, Visualize & Integrate APIs in a Dash ⚡️ API Dash is a beautiful open-source cross-platform API Client that can help you easily create & customize your API requests, visually inspect responses ( full list of supported mime-types ) and generate API integration code ( full list ) on the go.

FreeWindowsmacOSLinux

The free FTP solution for both client and server. Filezilla is open source software distributed free of charge.

FreeWindowsmacOSLinux

Bruno is a Git-integrated, fully offline, and open-source API client. Developer First Open-source community and extensibility are our cornerstones. We're proud to be an API-client and commit to not bloating our product with unnecessary 'platform' features. Native Git Integration Collaboration requires context and a shared location. Collections can live directly in your Git provider so they're always versioned. Offline only We take security and privacy seriously. Bruno is an offline tool and there is no syncing of your data to any cloud.

FreeWindowsmacOSLinux

Visual Studio Code

Code editing. Redefined. Free. Built on open source. Runs everywhere. Visual Studio Code is a code editor redefined and optimized for building and debugging modern web and cloud applications. Visual Studio Code is free and available on your favorite platform - Linux, macOS, and Windows.

FreeWindowsmacOSLinux

Trae is an adaptive AI IDE that transforms how you work, collaborating with you to run faster.

FreeWindowsmacOSLinux

Your complete platform for the web. Vercel provides the developer tools and cloud infrastructure to build, scale, and secure a faster, more personalized web. Vercel's Frontend Cloud gives developers the frameworks, workflows, and infrastructure to build a faster, more personalized web.

FreemiumWindowsmacOSLinux

Obsidian is the private and flexible writing app that adapts to the way you think.

FreemiumWindowsmacOSLinuxAndroidiOS

HTTP, HTTP2, HTTPS, Websocket debugging proxy.

FreeWindowsmacOSLinuxAndroidiOS

NoteGen is a cross-platform Markdown note-taking application dedicated to using AI to bridge recording and writing, organizing fragmented knowledge into a readable note. Why Choose NoteGen? Lightweight: Installation package is only about 10MB , free with no ads or bundled software. Cross-platform: Supports Mac, Windows, Linux, and thanks to Tauri2 's cross-platform capabilities, will support iOS and Android in the future. Supports multiple recording methods including screenshots , text , illustrations , files , links , etc., meeting fragmented recording needs across various scenarios. Native offline usage with Markdown(.md) as the storage format, while also supporting real-time synchronization to private GitHub repositories with history rollback. AI-enhanced: Configurable with ChatGPT, Gemini, Ollama, LM Studio, DeepSeek, and other models, with support for custom third-party model configuration.

FreeWindowsmacOSLinux

Free and open source Password Manager.

FreeWindowsmacOSLinux

Open source free traffic capture HTTP(S)，Support Windows、Mac、Android、IOS、Linux Full platform system You can use it to intercept, inspect & rewrite HTTP(S) traffic, Support capturing Flutter app traffic, ProxyPin is based on Flutter develop, and the UI is beautiful and easy to use. Features Mobile scan code connection: no need to manually configure WiFi proxy, including configuration synchronization. All terminals can scan codes to connect and forward traffic to each other. Domain name filtering: Only intercept the traffic you need, and do not intercept other traffic to avoid interference with other applications. Search: Search requests according to keywords, response types and other conditions Script: Support writing JavaScript scripts to process requests or responses. Request rewrite: Support redirection, support replacement of request or response message, and can also modify request or response according to the increase. Request blocking: Support blocking requests according to URL, and do not send requests to the server. History: Automatically save the captured traffic data for easy backtracking and viewing. Support HAR format export and import. Others: Favorites, toolbox, common encoding tools, as well as QR codes, regular expressions, etc. Mac will prompt untrusted developers when first opened, you need to go to System Preferences-Security & Privacy-Allow any source. Download： https://github.com/wanghongenpin/proxypin/releases iOS App Store： https://apps.apple.com/app/proxypin/id6450932949 Android Google Play： https://play.google.com/store/apps/details?id=com.network.proxy TG: https://t.me/proxypin_en

FreeWindowsmacOSLinuxAndroidiOS

Make employees, applications and networks faster and more secure everywhere, while reducing complexity and cost.

FreemiumWindowsmacOSLinuxAndroidiOS

Hidden Bar lets you hide menu bar items to give your Mac a cleaner look.

FreemacOS

A nonprofit Certificate Authority providing TLS certificates to 363 million websites.

FreeWindowsmacOSLinux

The open source publishing platform of choice for millions of websites worldwide—from creators and small businesses to enterprises.

FreeWindowsmacOSLinuxAndroidiOS

Scroll Reverser

Scroll Reverser is a Mac app that reverses the direction of scrolling, with independent settings for trackpads and mice (including Magic Mouse). For wheel mouse users, Scroll Reverser also incorporates a step size control, which disables scroll acceleration and instead scrolls a fixed number of lines with each step of the wheel.

FreemacOS

Hide menu bar icons to give your Mac a cleaner look.

FreemacOS

From planning to production, bring teams together in one application. Ship secure code more efficiently to deliver value faster.

FreemiumLinuxRaspberry Pi OS

Photo Sphere Viewer

A JavaScript library to display Photo Sphere panoramas.

FreeWindowsmacOSLinuxAndroidiOS

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AI Agent Development

AI Agent Development is a platform for building, testing, and deploying autonomous AI agents.

Adobe Premiere Pro

Adobe Premiere Pro is a professional video editing software for film, TV, and web.

AdGuard is a cross-platform ad blocker that filters web content and protects privacy.

Ad Blocker is a browser tool that removes intrusive ads and pop-ups from web pages.

AI Agent Builder

AI Agent Builder is a platform for creating, deploying, and managing AI agents.

Acorn 7 is a Mac image editor for editing photos and creating graphics.

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