Directory
871 products in total: 615 OSI-approved open source, 19 source-available, 140 unresolved-license Projects, and 97 proprietary. Structural source=open URLs remain supported; use the license-policy filter for the canonical distinction.
A terminal workspace with batteries included
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.
Self-hosted team workspace where humans and AI agents share rooms
Buzz is a self-hosted team workspace where people and AI agents share the same channels, built by Block on a Nostr relay event log.
Open-source LLM observability, evals, and prompt management
Langfuse is an open-source platform for tracing, evaluating, and improving LLM applications and AI agents, with prompt management and experiments built in.
Cross-platform, fast, feature-rich, GPU-based terminal emulator
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.
Anthropic's assistant, strongest on long documents and code
Claude is positioned around careful reasoning over long inputs. The large context window makes whole-repository and long-document work practical in a way that shorter context assistants cannot match.
Open-source vector database for AI search at any scale
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
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
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
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
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.
Distributed event streaming for data pipelines and analytics.
Apache Kafka is an open-source distributed event streaming platform. Producers append events to durable topics that consumers read independently.
Free open-source offline dictation that types speech into any app
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 AI search and chat across company knowledge
Onyx is a self-hosted AI platform that connects to 50+ work apps to provide permission-aware search and chat across company knowledge.
Open-source observability with logs, metrics, and traces in one tool
SigNoz is an OpenTelemetry-native observability platform that combines logs, metrics, and traces with APM, dashboards, and alerts in one tool.
Open-source financial terminal for market analytics and research
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.
Self-hosted PaaS that deploys apps with a git push
Dokku is a self-hosted platform-as-a-service that turns your own Linux server into a Heroku-style deployment target driven by git push.
A content platform that wraps your existing SQL database
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
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
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
JumpServer is an open-source bastion host for controlled privileged sessions, with browser-based access, centralized credential vaulting, and replayable session audit.
In-memory data store and cache with Redis API compatibility
Dragonfly is an in-memory data store and cache with a Redis-compatible API, so existing Redis clients and applications connect without code changes.
Free flashcard app that schedules reviews with spaced repetition
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.
871 results