Universal Ctags
ctags.ioGenerate a tags index of source-code definitions for navigation from a compatible editor or tool.
Generate a tags index of source-code definitions for navigation from a compatible editor or tool.
Use an open-source IDE in a browser or on desktop, with an extension model based on Open VSX.
Write text descriptions and render them as UML and other technical diagrams.
A source editor for LilyPond scores with music view, MIDI playback and score-building tools.
Use channel-based team chat with open-source hosting and no per-seat charge.
An open-source handwriting notebook with nested folders and encrypted cross-device sync.
Compile C, C++, and other supported languages into programs for native and cross-target systems.
A cross-platform TeX editor that keeps source editing and PDF preview in one typesetting workspace.
A Windows source-code editor with syntax highlighting, tabbed files, and search across documents.
A free, open-source time tracker for self-hosted projects, tasks, and billable hours.
A retail type library with design essays and use-specific licensing.
The Microsoft test framework for writing and running unit tests in .NET projects.
A free, open-source notebook for organizing notes in the browser or on desktop.
Generate concrete syntax trees that stay responsive while source code changes.
A private mobile journal with on-device encryption, voice capture, and AI reflections.
Turn application source into runnable OCI images without requiring a Dockerfile for every project.
An open-source iPad notebook for Apple Pencil writing and PDF markup.
Use a Git-compatible version-control system with change IDs, working-copy commits, and an operation log.
Open source screen recorder for Mac, Windows, and Linux
Generate project scaffolds from templates and carry template changes into generated repositories.
A programmable Markdown knowledge base for personal notes, team knowledge, and documentation.
Use a cross-platform SQL database engine that ranges from embedded and single-user use to multi-client deployments.
Edit source files and send build or run output to an integrated pane on Windows or Linux.
Sentry-SDK-compatible error monitoring, available hosted or self-hosted.