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OpenSourceAlternatives

Collection

Self-hosted

Projects you can run entirely on your own infrastructure.

Tiptap

TiptapOpen

Headless open-source rich-text editor framework for the web

Stars38.7K
Commitjust now
LicenseMIT

Tiptap is a headless open-source rich-text editor framework built on ProseMirror, with modular extensions and optional paid collaboration and AI features.

Alternative toONLYOFFICE Docs
SearXNG

SearXNGOpen

Privacy-respecting metasearch engine you can self-host

Stars38.3K
Commitjust now
LicenseAGPL-3.0

SearXNG is a free, open source metasearch engine that aggregates results from many search services without tracking or profiling its users.

Alternative toSwirl
CopilotKit

CopilotKitAIOpen

React SDK and infrastructure for in-app AI copilots and agents

Stars37.7K
Commitjust now
LicenseMIT

CopilotKit is an open-source framework for adding AI copilots, chatbots, and in-app agents to products.

Alternative toAgentOS
Dokploy

Dokploy

Self-hostable deployment platform for apps and databases

Stars37.6K
Commitjust now
LicenseApache-2.0 + Dokploy Source Available License (DSAL-1.0)

Dokploy is a self-hostable platform for deploying applications and databases to servers you control, with Docker builds, managed TLS, and backups.

Alternative to/dev/pushCoolify
Khoj

KhojAI

Open-source AI second brain for notes, agents, and automations

Stars37.6K
Commit29d ago
LicenseAGPL-3.0-or-later

Khoj is a self-hosted AI second brain that answers from personal notes and the web, with custom agents and scheduled automations.

Alternative toOpen WebUIAnythingLLM
Keycloak

KeycloakOpen

Open-source identity and access management with single sign-on

Stars37.3K
Commitjust now
LicenseApache-2.0

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.

Alternative toAuthentik
CasaOS

CasaOSOpen

Self-hosted personal cloud OS for home servers and Docker apps

Stars37.3K
Commitjust now
LicenseApache-2.0

CasaOS is a self-hosted personal cloud system that turns a home server into a Docker app platform with a browser-based dashboard.

1Panel

1Panel

Open-source Linux server panel for sites, containers, databases, and AI workloads

Stars37.1K
Commitjust now
LicenseGPL-3.0-only

1Panel is a self-hosted Linux server panel that manages websites, databases, containers, and files through a web interface.

Alternative toCoolify
HashiCorp Vault

HashiCorp Vault

Secrets management and access control for dynamic infrastructure

Stars36.4K
Commitjust now
LicenseBUSL-1.1

HashiCorp Vault is a secrets manager that issues short-lived credentials, encrypts application data, and brokers privileged access from one control plane.

Alternative toInfisical
Lightpanda

LightpandaAI

Headless browser built from scratch for AI agents and automation

Stars36.3K
Commitjust now
LicenseAGPL-3.0-only

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.

Alternative toChrome
Continue

ContinueAIOpen

Open-source AI coding assistant for VS Code and JetBrains

Stars36.1K
Commitjust now
LicenseApache-2.0

Continue is an open-source AI code assistant for VS Code, JetBrains, and the terminal.

Alternative toGitHub CopilotCursor
Outline

Outline

Team knowledge base that stays fast as it grows

Stars34.2K
Commit21h ago
LicenseBUSL-1.1

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.

Alternative toNotion
Refine

RefineOpen

React framework for building internal tools, admin panels, and dashboards

Stars35.9K
Commitjust now
LicenseMIT

Refine is an MIT-licensed React framework for building internal tools, admin panels, dashboards, and B2B apps on top of existing APIs.

Zellij

ZellijOpen

A terminal workspace with batteries included

Stars35.7K
Commitjust now
LicenseMIT

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.

Alternative toWezTerm
Buzz

BuzzAIOpen

Self-hosted team workspace where humans and AI agents share rooms

Stars35.4K
Commitjust now
LicenseApache-2.0

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.

Alternative toSlack
Langfuse

LangfuseAIOpen

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.

Alternative toArize Phoenix
Kitty

KittyOpen

Cross-platform, fast, feature-rich, GPU-based terminal emulator

Stars35.2K
Commitjust now
LicenseGPL-3.0

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.

Qdrant

QdrantAIOpen

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.

Alternative toChromaMilvus
ntfy

ntfyOpen

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.

Alternative toNovu
Mattermost

MattermostOpen

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.

Alternative toSlack
Medusa

MedusaOpen

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.

Alternative toShopify
Tabby

TabbyAIOpen

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.

Alternative toGitHub Copilot
Apache Kafka

Apache KafkaOpen

Distributed event streaming for data pipelines and analytics.

Stars33.9K
Commitjust now
LicenseApache-2.0

Apache Kafka is an open-source distributed event streaming platform. Producers append events to durable topics that consumers read independently.

Alternative toAutoMQ
Handy

HandyAIOpen

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.

Alternative toVoiceInkWispr Flow