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Open-source newsletters with several editors and optional tracking

Use a GPU-accelerated, cross-platform terminal emulator and multiplexer written in Rust.

Write programmable configuration with validation and generate JSON, YAML, and other output formats.

Build and extend compilers with modular libraries, intermediate-representation tools, and code-generation components.

An open-source font foundry with typography education.

An open-source classroom whiteboard with shared rooms and private student canvases.

An open-source notebook with a freeform canvas, handwriting, Markdown, and local files.

Turn a concise text description into a customizable diagram with the D2 language.

Keep channels, DMs, and federated conversations in a compact self-hosted server.

Intelligent orchestration platform for the software lifecycle

Manage and preview your dotfiles across Linux, macOS, and Windows machines.

Open source platform for building multi-task AI agents without code

Open-source proxy that secures AI API keys in mobile apps without a backend.

Turn product usage into invoices with hosted or self-managed billing

Mobile wallet that exposes the provider and minimum output in swap quotes

Search source trees recursively for regular expressions while respecting ignore rules by default.

Open-source desktop banking with account searches, exports and offline records

Render technical Markdown and notebooks into reports, books, slides, and websites.

Compare source files by syntax structure rather than relying only on line-oriented diffs.

Compile Ruby-inspired, statically typed Crystal programs into native executables.

A LaTeX source editor with command completion, error analysis and an integrated PDF viewer.

Create compiled programs and reusable modules with Go's language and standard toolchain.

Define portable project tasks in a Taskfile and run them consistently across local machines and CI.

Open a Git repository in a browser IDE backed by a Kubernetes development workspace.