Completely free open source software

Browse free and open source software that is completely free to use. Every tool listed here offers a free plan or is free of charge — no cost barriers to get started.

Apache Answer

A Q&A platform software for teams at any scale. Whether it’s a community forum, help center, or knowledge management platform, you can always count on Answer.

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UptimeRobot

Start monitoring in 30 seconds. Use advanced SSL, keyword and cron monitoring. Get notified by email, SMS, Slack and more. Get 50 monitors for FREE!

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Moodiary

An open-source cross-platform diary app build with Fultter. Feature Cross-platform support: 🌍 Compatible with Android, iOS, Windows, MacOS, Linux*. Material Design: 🎨 The interface is intuitive and user-friendly, and follows the Material Design specifications. Multiple editors: 📝 supports markdown, plain text, rich text and other forms of text editing. Multimedia accessories: 📷 You can add pictures, audio, video or even draw a picture to your diary. Search and classification: 🔍 Easily manage your diary by full-text search and categorization. Custom theme: 🌈 Supports light and dark modes, as well as a variety of color schemes. Custom fonts: ✍️ Supports importing different fonts, and supports variable fonts. Data security: 🔒 Keep your diary safe with a password, supports biometric unlocking. Export and share: 🧾 Support all data import/export, as well as single diary sharing. Backup and synchronization: ☁ Support for LAN synchronization and WebDav backup. Trail Map: 🗺️ See your footprints on a map. Every step of your life is worth documenting. Intelligent assistant: 💬 Supports access to third-party large models, provides Q&A, sentiment analysis and other functions. Local Natural Language Processing (NLP): 🤖 A more secure intelligent assistant that lets your diary know you better.

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DBeaver

DBeaver Community is a free cross-platform database tool for developers, database administrators, analysts, and everyone working with data. It supports all popular SQL databases like MySQL, MariaDB, PostgreSQL, SQLite, Apache Family, and more.

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uTools

What is uTools? uTools is a new generation of efficiency tool platform, free combination of plug-in applications, to create your own tool set.

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Microsoft Remote Desktop

Use the Microsoft Remote Desktop app to connect to a remote PC or virtual apps and desktops made available by your admin. The app helps you be productive no matter where you are.

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Figma

Figma is the leading collaborative design tool for building meaningful products. Seamlessly design, prototype, develop, and collect feedback in a single platform.

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Tencent Meeting

Based on more than 20 years of Tencent audio and video communication experience, Tencent Conference provides one-stop audio and video conferencing solutions, so that you can experience high-definition and smooth meetings and conference collaboration anytime and anywhere.

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DingTalk Meeting

Dingding conference official website, providing first-class enterprise video conferencing system and online collaboration tools. Secure, stable, simple, and powerful remote meeting experience to meet the needs of enterprises of different sizes, support multi-platform access, and ensure enterprise data security. Seamless remote collaboration makes meetings more efficient and simple.

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Onenote

Your digital notebook One cross-functional notebook for all your notetaking needs.

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cppla ServerStatus

Cloud probes, multi-server probes, cloud monitoring, multi-server cloud monitoring

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Bear

Bear is a beautiful, powerfully simple Markdown note taking app to capture, write, and organize your life.

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BaoTa

aaPanel is a simple but powerful control panel for linux server.one-click install LNMP/LAMP/OpenLiteSpeed developing environment and software.

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Kiro

The AI IDE for prototype to production K i r o h e l p s y o u d o y o u r b e s t w o r k b y b r i n g i n g s t r u c t u r e t o A I c o d i n g w i t h s p e c - d r i v e n d e v e l o p m e n t . Kiro helps you do your best work by bringing structure to AI coding with spec-driven development.

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Plunk

The Open-Source Email Platform. Plunk is the open-source, affordable email platform that brings together marketing, transactional and broadcast emails into one single, complete solution.

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Turso

Turso - SQLite Databases for all Apps. Databases For All Local First Applications. Sign up to start building your next application with Turso. Get the simple developer experience of SQLite in production, and scale your multi-tenant backend with unlimited databases.

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Trae CN

Intelligence is boundless, collaboration seamless. Trae is committed to becoming the true AI engineer (The Real AI Engineer). The AI IDE product under Trae, with intelligent productivity at its core, seamlessly integrates into your development process, works in perfect harmony with you, and helps you complete every task with higher quality and efficiency.

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Open Launch

Open Launch is a platform to discover and upvote the best tech products. Find top products launching daily. Discover and support the best new tech products. Explore daily launches and upvote your favorite projects.

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Raycast

Raycast lets you control your tools with a few keystrokes. It's designed to keep you focused.

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Yaak

The API client for modern developers A fast, offline, and Git friendly app for HTTP, GraphQL, WebSockets, SSE, and gRPC. Fast and private Local-only data, secrets encryption, and zero telemetry. Filesystem friendly Optionally store data as plain-text for use with Git. Extensible NodeJS plugin system for auth, template functions, and more.

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Adobe Premiere Pro

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

Acorn 7

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

AI Agent Builder

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

Ad Blocker

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

AdGuard

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

AI Agent Development

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