Outline is a documentation workspace built around search and structure rather than infinite nesting. Collections, a strong editor, and genuinely fast full text search make it usable at the size where most wikis become write-only.
Zellij is a free, MIT-licensed open-source terminal workspace with batteries included: tabs, stacked and floating panes, layouts, and sessions that persist and resurrect, designed so developers are productive out of the box without tmux-style configuration.
Open-source LLM observability, evals, and prompt management
Stars35.3K
Commitjust now
LicenseMIT
Langfuse is an open-source platform for tracing, evaluating, and improving LLM applications and AI agents, with prompt management and experiments built in.
Kitty is a free, open source, GPU-based terminal emulator for Linux and macOS that combines fast rendering with tabs, windows, and multiple layouts in a single app.
Open-source vector database for AI search at any scale
Stars35K
Commitjust now
LicenseApache-2.0
Qdrant is an Apache-2.0 open-source vector database written in Rust that serves filtered similarity search over embedding collections for AI retrieval.
Self-hosted push notifications over simple HTTP PUT/POST
Stars34.8K
Commitjust now
LicenseApache-2.0
ntfy is a self-hosted push-notification service that sends alerts to phones and desktops with a simple HTTP PUT or POST to a topic, plus open-source Android, iOS, web, and CLI apps.
Team messaging for organisations that cannot use hosted chat
Stars33.2K
Commit19h ago
LicenseAGPL-3.0
Mattermost is channel-based team chat designed for environments where the message history has to stay inside a boundary: defence, healthcare, and regulated finance are its natural constituency.
Commerce building blocks rather than a fixed storefront
Stars32.4K
Commit2d ago
LicenseMIT
Medusa is a set of commerce modules - cart, orders, pricing, inventory, fulfilment - exposed as APIs you compose, rather than a themed storefront you customise around the edges.
Self-hosted AI coding assistant and Copilot alternative
Stars33.9K
Commit2mo ago
LicenseApache-2.0
Tabby is a self-hosted AI coding assistant that runs its own code completion server on your infrastructure as an open-source alternative to GitHub Copilot.
Free open-source offline dictation that types speech into any app
Stars33.5K
Commitjust now
LicenseMIT
Handy is a free, open-source dictation app that transcribes speech fully offline with local Whisper or Parakeet models and types it into any focused app.
Open-source financial terminal for market analytics and research
Stars32.2K
Commitjust now
LicenseAGPL-3.0
Fincept Terminal is an open-source financial terminal for market analytics, investment research, and economic data, positioned as a lower-cost alternative to subscription terminals.
A content platform that wraps your existing SQL database
Stars30.8K
Commit1d ago
LicenseBUSL-1.1
Directus points at a SQL database you already have and generates an admin interface and an API over it, without imposing its own schema. Existing tables keep their names, types, and constraints.
Open-source vulnerability scanner with template-powered detection
Stars32K
Commitjust now
LicenseMIT
ProjectDiscovery is an open-source vulnerability scanner built on the Nuclei YAML template engine that finds exploitable issues across apps, APIs, networks, DNS, and cloud.
Open time-series database for metrics, events, and IoT telemetry
Stars31.8K
Commitjust now
LicenseApache-2.0
InfluxDB is an open time-series database for metrics, events, and IoT telemetry, queried with SQL and InfluxQL and run self-managed or as a managed cloud.
Open-source bastion host for audited privileged access
Stars31.7K
Commitjust now
LicenseGPL-3.0
JumpServer is an open-source bastion host for controlled privileged sessions, with browser-based access, centralized credential vaulting, and replayable session audit.
Free flashcard app that schedules reviews with spaced repetition
Stars31.7K
Commitjust now
LicenseAGPL-3.0-or-later
Anki is a free flashcard program that schedules each card for review just before you are likely to forget it, cutting time spent on material you already know.
Open-source local AI meeting notes for macOS and Windows
Stars31.6K
Commitjust now
LicenseMIT
Meetily is an MIT-licensed, open-source meeting assistant for macOS and Windows that transcribes on-device and drafts minutes, summaries, and action items privately.