Open source. Open possibilities.

draw.io is a configurable JavaScript-based client-side editor for general diagramming and whiteboarding.

A powerful, markup-based typesetting system designed as a modern, easier-to-learn alternative to LaTeX with fast incremental compilation.

Microsoft PowerToys is a collection of over 30 system utilities designed to customize Windows and streamline everyday productivity tasks.

Super Productivity is an advanced open-source todo list application featuring integrated timeboxing, time tracking, and extensive third-party task integrations.

Kando is a cross-platform desktop pie menu designed for fast and efficient interaction via mouse, stylus, touch, controller, or keyboard.

A privacy-first, cross-platform text expander written in Rust that replaces keywords with predefined text, snippets, or script outputs.

Zettlr is a privacy-first, open-source publication workbench designed for academic and professional writing, featuring Zettelkasten support and deep integration with reference managers.

Vikunja is a self-hosted task manager designed to give users full ownership of their data.

Rocket.Chat is a secure, open-source communications platform developed in TypeScript, designed for organizations requiring high standards of data protection and customizable team collaboration.

Element is a web and desktop collaboration client built for the Matrix protocol, providing a user interface for secure, decentralized communication.

Zulip is an open-source team chat application featuring unique topic-based threading designed for both live and asynchronous communication.

AFFiNE is an open-source, privacy-focused workspace that merges documents, whiteboards, and databases into a single local-first platform for knowledge management and planning.

Audacity is an easy-to-use, multi-track audio editor and recorder available for Windows, macOS, GNU/Linux, and other operating systems.

OBS Studio is a free and open-source software suite designed for efficient video capturing, compositing, encoding, recording, and live streaming.

Postiz is an open-source, AI-powered social media scheduling tool designed to manage posts, build audiences, and track analytics across multiple platforms.

Docmost is an open-source collaborative wiki and documentation platform designed as an alternative to Confluence and Notion.

Twenty is an open-source CRM designed for technical teams to build, ship, and version their customer relationship management system as code.

Actual is a free, open-source, local-first personal finance tool written in NodeJS that supports synchronization across devices.

An open-source virtual whiteboard designed for creating hand-drawn style diagrams, wireframes, and sketches with collaborative and encrypted features.

Trilium Notes is a free, open-source, cross-platform hierarchical note-taking application designed for building large personal knowledge bases.

Memos is an open-source, self-hosted note-taking tool designed for quick capture of short-form thoughts in a chronological Markdown timeline.

Outline is a fast, real‑time collaborative knowledge base for teams. Built with React and Node.js, it supports markdown, offers hosted and self‑hosted deployments via Docker, and includes extensive documentation, translation, and contribution guidelines.

Standard Notes is an end-to-end encrypted note-taking application designed for secure cross-platform synchronization across unlimited devices, with options for self-hosting and extensions.

AppFlowy is an open‑source, AI‑enhanced workspace that serves as a Notion alternative. It offers cross‑platform native apps (desktop, iOS, Android), self‑hosting, and full data control, built with Flutter and Rust.

Logseq is a privacy-first, open-source knowledge management and collaboration platform designed for organizing notes and managing tasks.

Joplin is a free, open-source, privacy-focused note-taking and to-do application that supports Markdown and cross-platform synchronization.

Karakeep is a self-hostable bookmarking application designed to store links, notes, images, and PDFs with AI-powered organization and full-text search.