Best Self-Hosted Tools in 2026
Open-source tools you can run on your own server. Full control, privacy, and no vendor lock-in.
Marmot
www.producthunt.com
An open-source data catalog that helps teams discover, organize, and manage their data assets with AI-native features like search, lineage tracking, and MCP integration. Built for developers and data engineers who want powerful data governance without enterprise overhead.
Evaliphy
www.producthunt.com
Evaliphy is an end-to-end testing framework for AI features that lets developers write TypeScript assertions and catch regressions in CI, designed for software engineers rather than ML researchers. It enables testing of real APIs and RAG systems without requiring machine learning background knowledge.
Langfuse Operator
www.producthunt.com
A Kubernetes operator that simplifies self-hosting Langfuse (an LLM observability platform) with automated deployments, upgrades, and migrations. Designed for platform teams needing production-ready LLM monitoring infrastructure without manual configuration overhead.
Automated
useautomated.com
Automate any workflow by recording a demo
Mozzie
github.com
Codex Claude Gemini CLI parallel agents orchestration
Window View
wengh.github.io
Step inside any building on Google Earth to see the view
Langflow
www.langflow.org
Open-source visual framework for building multi-agent and RAG applications. Native MCP support with ready-made agent components.
OpenAI Agents SDK
github.com
OpenAI's official Python SDK for building agentic AI applications. Lightweight framework with tool use, handoffs, and guardrails built in.
Flowise
flowiseai.com
Open-source visual AI workflow builder. Build AI agents and chatbots with a drag-and-drop interface. Self-hostable with LangChain integration.
Hoppscotch
hoppscotch.io
Open-source API development ecosystem. A lightweight, fast alternative to Postman for testing REST, GraphQL, and WebSocket APIs.
Blender
www.blender.org
Free open-source 3D creation suite for modeling, sculpting, animation, rendering, compositing, and video editing — used by studios and indie creators worldwide.
NewsBlur
newsblur.com
Open-source RSS reader with intelligence training that learns what stories you like, social sharing, and the ability to read original sites within the app.
Magento
business.adobe.com
Enterprise-grade open-source e-commerce platform by Adobe with powerful customization, multi-store management, and B2B capabilities for large catalogs.
OpenProject
www.openproject.org
Open-source project management software with Gantt charts, agile boards, time tracking, budgeting, and BIM support — self-hosted or cloud.
Taiga
taiga.io
Free open-source project management tool for agile teams with Scrum and Kanban boards, user stories, sprints, and a clean intuitive interface.
Redmine
www.redmine.org
Free open-source project management web app with issue tracking, Gantt charts, wiki, time tracking, and multi-project support built on Ruby on Rails.
Godot
godotengine.org
Free open-source game engine for 2D and 3D games with its own GDScript language, scene system, and no royalties — growing indie favorite.
Moonlight
moonlight-stream.org
Free open-source game streaming client that uses NVIDIA GameStream to play PC games on phones, tablets, TVs, and other PCs over your network.
GDevelop
gdevelop.io
Free open-source no-code game engine for creating 2D and simple 3D games with event-based logic, extensions marketplace, and one-click publishing.
LanguageTool
languagetool.org
Open-source multilingual grammar and style checker supporting 30+ languages with browser extensions, API access, and AI-powered paraphrasing.
Huginn
github.com
Open-source self-hosted system for building agents that monitor the web, send alerts, and perform automated tasks — like a hackable IFTTT.
Robocorp
robocorp.com
Python-based open-source RPA and automation platform for building, deploying, and managing software robots with cloud orchestration and developer tools.
ActivePieces
www.activepieces.com
Open-source no-code automation alternative to Zapier with self-hosting option, 100+ integrations, and a visual flow builder for business workflows.
Temporal
temporal.io
Open-source durable execution platform for building reliable distributed applications and long-running workflows that survive failures and outages.
MariaDB
mariadb.org
Community-developed fork of MySQL offering enhanced performance, additional storage engines, and full SQL compatibility — drop-in MySQL replacement.
MySQL
www.mysql.com
World's most popular open-source relational database used by millions of applications, offering reliability, performance, and broad ecosystem support.
Apache Kafka
kafka.apache.org
Distributed event streaming platform for high-throughput, fault-tolerant data pipelines and real-time analytics used by thousands of companies worldwide.
Syncthing
syncthing.net
Free open-source peer-to-peer file synchronization tool that syncs files between devices without a cloud server — private and decentralized.
Tutanota
tuta.com
Open-source encrypted email provider with end-to-end encryption for emails, contacts, and calendars — privacy-focused alternative to Gmail based in Germany.
Twenty
twenty.com
Open-source modern CRM alternative to Salesforce built with a clean UI, API-first approach, and self-hosting option for developers and startups.
SuiteCRM
suitecrm.com
Open-source CRM alternative to Salesforce with sales, marketing, and service modules — self-hosted with full customization and no per-user licensing fees.
EspoCRM
www.espocrm.com
Free open-source CRM with sales automation, customer support, marketing, and document management — lightweight and easy to customize for any business.
HandBrake
handbrake.fr
Free open-source video transcoder for converting video files between formats with batch processing, quality presets, and hardware acceleration support.
OBS Studio
obsproject.com
Free open-source software for video recording and live streaming with scene composition, real-time capture, and extensive plugin support.
Rectangle
rectangleapp.com
Free open-source window management app for macOS. Snap windows to halves, thirds, quarters, and custom sizes using keyboard shortcuts or drag-to-snap.
GitHub Copilot
github.com
AI pair programmer by GitHub and OpenAI. Get real-time code suggestions, chat assistance, and multi-file editing directly in your IDE.
Cline
cline.bot
Autonomous AI coding agent for VS Code. Handles complex multi-file tasks with terminal access, browser use, and human-in-the-loop approval.
Llama
llama.meta.com
Meta's open-source large language model family. Download and run powerful LLMs for free with commercial-friendly licensing for research and production use.
Weaviate
weaviate.io
Open-source vector database for AI applications. Store, search, and manage embeddings with built-in vectorization modules and hybrid search capabilities.
Khoj
khoj.dev
Open-source AI personal assistant. Search your notes, documents, and the web using natural language with a self-hostable, privacy-first approach.
Continue
continue.dev
Open-source AI code assistant for VS Code and JetBrains. Autocomplete, chat, and edit code with any LLM — local or cloud — fully customizable.
Aider
aider.chat
AI pair programming in your terminal. Chat with GPT-4 and Claude to edit code in your local git repo with automatic commits and multi-file support.
Phidata
phidata.com
Open-source framework for building AI agents with memory, knowledge, and tools. Create production-ready agents that can search the web, analyze data, and take actions.
Chroma
trychroma.com
Open-source embedding database for AI applications. The simplest way to build LLM apps with embeddings, designed for developer productivity and ease of use.
SambaNova
sambanova.ai
Enterprise AI platform with custom hardware for ultra-fast inference. Run open-source models at blazing speeds for enterprise generative AI applications.
Jan
jan.ai
Open-source desktop app for running AI models locally. Chat with Llama, Mistral, and other models offline with a clean interface and full privacy.
Fireworks AI
fireworks.ai
Fast and affordable AI inference platform. Deploy open-source and custom models with industry-leading speed and developer-friendly APIs.
Vercel AI SDK
sdk.vercel.ai
Open-source TypeScript toolkit for building AI-powered applications. Unified API for streaming responses from OpenAI, Anthropic, Google, and more.
LM Studio
lmstudio.ai
Desktop app for running local LLMs. Discover, download, and run open-source models with a clean GUI — no cloud, no API keys, fully private.
Ollama
ollama.com
Run large language models locally on your machine. Download and run Llama, Mistral, Gemma, and other open models with a simple command-line interface.
Together AI
together.ai
Cloud platform for running and fine-tuning open-source AI models. Fast inference API for Llama, Mixtral, and other popular models at low cost.
Deepseek
deepseek.com
Open-source AI lab building powerful reasoning models. Offers competitive LLMs for coding, math, and general tasks at significantly lower costs.
Dify
dify.ai
Open-source platform for building AI applications. Create chatbots, agents, and workflows with a visual builder, RAG pipelines, and model management.
Mistral
mistral.ai
European AI lab building frontier open-weight models. Offers powerful LLMs for chat, code generation, and reasoning with open-source and commercial options.
Groq
groq.com
Ultra-fast AI inference platform. Run open-source LLMs at unprecedented speed with custom LPU hardware, offering the fastest token generation available.
Coolify
coolify.io
Open-source, self-hostable Heroku/Netlify alternative for deploying applications.
Dokku
dokku.com
Open-source, single-server PaaS implementation powered by Docker.
Coolify
coolify.io
Open-source, self-hostable Heroku/Netlify alternative for deploying applications.
Qdrant
qdrant.tech
Open-source vector similarity search engine for AI and machine learning applications.
Plane
plane.so
Open-source project management tool as an alternative to Jira with issue tracking.
PostgreSQL
www.postgresql.org
Powerful open-source relational database known for reliability and feature richness.
RawTherapee
rawtherapee.com
Free, open-source RAW image processing program for digital photography.
Darktable
www.darktable.org
Free, open-source photography workflow application and RAW developer.
Thunderbird
www.thunderbird.net
Free, open-source email client by Mozilla with powerful customization options.
Mailspring
getmailspring.com
Beautiful, fast, and fully open source email client for Mac, Windows, and Linux.
Granary by Speakeasy
www.speakeasy.com
The context hub for your agents
OnsetLab
onsetlab.app
Local tool-calling AI agents with SLMs
Meteroid
www.meteroid.com
Billing platform to launch, test, + scale business models
Echolon
echolon.app
Postman Alternative. Open source, git-native, zero login
GitHub Actions
github.com
CI/CD automation to build, test, and deploy from GitHub repositories.
Jenkins
www.jenkins.io
Open-source automation server for CI/CD with plugins and pipelines.
Mastodon
joinmastodon.org
Federated social network for microblogging across independent servers.
Audacity
www.audacityteam.org
Free, open-source, cross-platform audio software for recording and editing.
Moltcraft
moltcraft.xyz
Visualize your AI agents work in a pixel world
FlowLens
magentic.ai
Bug reports built for coding agents, so you can ship faster.
Papr
www.papr.ai
Predictive memory and context intelligence API for AI Agents
SimRepo
github.com
Shows similar Github repositories in the sidebar
Container Diet
k1lgor.github.io
Slim down your Docker images with AI-powered sass. 🐳💅
Cal ID
cal.id
Schedule and monetize meetings for free
Lumi
lumi.withgoogle.com
Read smarter, not harder
OpenSigner
www.opensigner.dev
Open-source non-custodial wallet solution
GTWY
gtwy.ai
Top AI Models via One API
Edit Mind
github.com
AI-Powered Local Video Search & Analysis
Reactive Resume v5
rxresu.me
A free and open-source resume builder.
Forums
forums.basehub.com
AI-powered Q&A for GitHub repositories.
iPhotron
github.com
A macOS Photos–style photo manager for Windows
grepai
yoanbernabeu.github.io
grep for the AI era
Kilo Code Reviewer
kilo.ai
Automatic AI-powered code reviews the moment you open a PR
OpenClaw
openclaw.ai
The AI that actually does things
Keyviz
keyviz.org
A free, open-source keypress and mouse visualizer
Kimi K2.5
www.kimi.com
Native multimodal model with self-directed agent swarms
NetNewsWire 7
netnewswire.com
Free and open source RSS reader for Mac, iPhone, and iPad
JPS
loayabdalslam.github.io
New Programming Language | Write Python-like in Javascript
BananaX
github.com
🍌AI-powered infographic generator for X posts
CSS.GG
css.gg
Open-source CSS, SVG, and Figma UI icons.
Phosphor Icons
phosphoricons.com
Flexible icon family for interfaces, diagrams, and presentations.
Ghost
ghost.org
Open-source publishing platform for professional blogging.
Metabase
metabase.com
Open-source business intelligence tool for data exploration.
Jitsi Meet
jitsi.org
Open-source video conferencing solution for secure meetings.
ClickHouse
clickhouse.com
Open-source column-oriented database for real-time analytics.
Aptabase
aptabase.com
Open-source analytics for mobile and desktop apps.
WriteFreely
writefreely.org
Open-source, minimalist platform for publishing blogs.
Upptime
upptime.js.org
Open-source uptime monitor and status page powered by GitHub.
Cal.com
cal.com
Open-source scheduling infrastructure for everyone.
PrestaShop
prestashop.com
Open-source e-commerce platform for creating online stores.
Rocket.Chat
rocket.chat
Open-source team communication platform with customization.
Infisical
infisical.com
Open-source secret management platform for teams.
OpenCart
opencart.com
Free open-source shopping cart solution for online stores.
WooCommerce
woocommerce.com
Open-source e-commerce plugin for WordPress websites.
Mark Text
marktext.app
Free and open-source markdown editor for focused writing.
Mattermost
mattermost.com
Open-source messaging platform for secure team collaboration.
unDraw
undraw.co
Open-source illustrations with customizable colors.
Spree Commerce
spreecommerce.org
Open-source headless e-commerce platform for developers.
Sylius
sylius.com
Open-source e-commerce platform built on Symfony.
Zulip
zulip.com
Threaded group chat for productive conversations.
Chatwoot
chatwoot.com
Open-source customer engagement platform for support teams.
Matomo
matomo.org
Open-source web analytics platform with full data ownership.
Umami
umami.is
Open-source, privacy-focused alternative to Google Analytics.
n8n
n8n.io
Workflow automation platform with fair-code license and self-hosting option.
Logseq
logseq.com
Privacy-first, open-source knowledge management and collaboration platform.
Iconify
iconify.design
Unified icons framework with 150,000+ open source icons.
Penpot
penpot.app
Open-source design and prototyping platform for cross-domain teams.
Appsmith
appsmith.com
Open-source platform for building internal tools and admin panels.
ToolJet
tooljet.com
Open-source low-code platform for building business applications.
Medusa
medusajs.com
Open-source headless commerce platform for building e-commerce stores.
Stability AI
stability.ai
Open-source generative AI company behind Stable Diffusion image models.
Directus
directus.io
Open-source data platform for managing any SQL database content.
Supabase
supabase.com
Open source Firebase alternative with Postgres database, authentication, and real-time subscriptions.
PostHog
posthog.com
Open source product analytics with session recording, feature flags, and A/B testing.
Bitwarden
bitwarden.com
Open source password manager with end-to-end encryption and cross-platform sync.
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