Search once across OSI-approved open source, source-available projects, and proprietary products.
Scheduling infrastructure you can host and extend
Cal.com covers the booking link case well, but its real distinction is that scheduling is exposed as infrastructure. Availability, event types, and bookings all have APIs, and the booking page can be embedded rather than linked.
Open-source product analytics with session replay, flags, and experiments
PostHog is open-source product analytics with event tracking, session replay, flags, and experiments, on Cloud or a self-hosted Docker deploy.
Self-hosted AI notebook that turns private sources into insights and podcasts
Open Notebook is a self-hosted, MIT-licensed AI research platform that ingests PDFs, links, and videos for private chat, summaries, and podcast generation.
Schedule and analyse posts across 30+ social networks
Postiz is a self-hostable scheduler for teams that publish to many networks and do not want to pay per seat for the privilege. It covers planning, drafting, approval, and publishing, with AI assistance for turning one post into per-network variants.
Open-source API client for designing, testing, and mocking APIs
Insomnia is Kong's open-source desktop API client for designing, debugging, and testing REST, GraphQL, gRPC, and WebSocket APIs.
Free open source screen capture and file sharing tool for Windows
ShareX is a free and open source screenshot, screen recording, and file sharing tool for Windows with annotation, OCR, and custom upload destinations.
Free database diagram editor that turns ER designs into SQL
drawDB is a free, open source database diagram editor that turns entity-relationship designs into SQL for MySQL, PostgreSQL, SQLite, and more.
Free open-source ERP for accounting, inventory, and sales
ERPNext is a free, open-source ERP system covering accounting, inventory, sales, purchasing, manufacturing, projects, and HR in one web application.
Privacy-first web analytics without cookies, self-hosted or in the cloud
Umami is a privacy-first web analytics platform covering traffic, campaigns, behavior, conversions, and revenue without cookies, available self-hosted or on Umami Cloud.
Local-first file explorer unifying devices, drives, and clouds
Spacedrive is a local-first, open source file explorer that unifies files across devices, drives, servers, and optional clouds in one searchable interface.
User-friendly command-line HTTP client for testing APIs
HTTPie is an open-source command-line HTTP client for testing APIs and web services from the terminal. Expressive syntax and colorized output keep requests readable.
Headless open-source rich-text editor framework for the web
Tiptap is a headless open-source rich-text editor framework built on ProseMirror, with modular extensions and optional paid collaboration and AI features.
Privacy-respecting metasearch engine you can self-host
SearXNG is a free, open source metasearch engine that aggregates results from many search services without tracking or profiling its users.
React SDK and infrastructure for in-app AI copilots and agents
CopilotKit is an open-source framework for adding AI copilots, chatbots, and in-app agents to products.
Self-hostable deployment platform for apps and databases
Dokploy is a self-hostable platform for deploying applications and databases to servers you control, with Docker builds, managed TLS, and backups.
Open-source AI second brain for notes, agents, and automations
Khoj is a self-hosted AI second brain that answers from personal notes and the web, with custom agents and scheduled automations.
WireGuard mesh VPN that connects devices into a private tailnet
Tailscale is a WireGuard-based mesh VPN that joins laptops, servers, and cloud VMs into one private tailnet with ACLs and MagicDNS.
Open-source identity and access management with single sign-on
Keycloak is open-source identity and access management software that adds login, single sign-on, and access control to apps and services on your own infrastructure.
Self-hosted personal cloud OS for home servers and Docker apps
CasaOS is a self-hosted personal cloud system that turns a home server into a Docker app platform with a browser-based dashboard.
Open-source Linux server panel for sites, containers, databases, and AI workloads
1Panel is a self-hosted Linux server panel that manages websites, databases, containers, and files through a web interface.
Secrets management and access control for dynamic infrastructure
HashiCorp Vault is a secrets manager that issues short-lived credentials, encrypts application data, and brokers privileged access from one control plane.
Headless browser built from scratch for AI agents and automation
Lightpanda is an AGPL-3.0-only headless browser written from scratch in Zig for AI agents and automation, driven via CDP and a JavaScript API.
Design and share styled images of your code
Carbon is a free web app that turns source code into styled images for posts, docs, and slides.
Open-source AI coding assistant for VS Code and JetBrains
Continue is an open-source AI code assistant for VS Code, JetBrains, and the terminal.
The proprietary products most often replaced by something in this directory.
Notion
Notion Labs
Documents, databases, and project tracking in one workspace
13 open source alternatives
Google Analytics
Web and product analytics tied to Google's ad stack
12 open source alternatives
Datadog
Datadog
Infrastructure monitoring, logs, and tracing in one platform
10 open source alternatives
Dropbox
Dropbox
File sync and sharing across devices and teams
10 open source alternatives
Slack
Salesforce
Channel based team messaging with a large integration ecosystem
10 open source alternatives
Auth0
Okta
Hosted identity covering login, SSO, and multi-factor
9 open source alternatives
Where the directory is growing fastest this month.
Running and talking to language models, on your own hardware or someone else's.
32 products+14.2%
Frameworks and runtimes for building, orchestrating, and supervising autonomous agents.
73 products+12.4%
Assistants that read a codebase and carry out engineering work from natural language instructions.
26 products+11%
Utilities that sit in the daily loop of writing, testing, and shipping software.
292 products+7.2%
Tools that connect applications and run multi step processes without manual work.
57 products+6.4%
Metrics, logs, traces, and error reporting for systems in production.
60 products+6.1%
774 results