Free, self-hosted alternatives to the SaaS you already pay for

Typebot

10,3143,203

An open-source conversational form and chatbot builder, and a self-hostable alternative to Typeform and Landbot. Typebot assembles chat-style forms from 40+ drag-and-drop blocks with branching logic, then embeds them on any site or connects them to WhatsApp — with native integrations for Google Sheets, webhooks, OpenAI, and Zapier, and unlimited submissions when self-hosted.

Excalidraw

131,33915,168

An open-source virtual whiteboard for sketching hand-drawn-style diagrams, and a self-hostable alternative to Miro, Mural, and FigJam. Excalidraw offers an infinite canvas, real-time collaboration in end-to-end encrypted rooms, a large shape and icon library, PNG/SVG export, an embeddable component, and an offline PWA.

Apache Superset

74,67218,239

An open-source data-exploration and visualization platform, and a self-hostable alternative to Tableau, Looker, and Power BI. Superset pairs a no-code chart builder with a rich SQL IDE and interactive dashboards on top of any SQL-speaking database, plus caching, row-level security, and an extensible visualization plugin system.

Gitea

57,8667,113

A painless, self-hosted all-in-one software-development service and a lightweight alternative to GitHub and GitLab. Gitea provides Git hosting, code review, issues and pull requests, a package registry, and built-in Actions-compatible CI/CD from a single Go binary that comfortably runs in under 512 MB of RAM.

Home Assistant

90,31038,534

An open-source home-automation platform that puts local control and privacy first, and a self-hostable alternative to SmartThings, Google Home, and Alexa routines. Home Assistant connects 3,000+ integrations, runs automations entirely on your own hardware, and offers customizable dashboards, a voice assistant, and energy monitoring.

Immich

113,6026,829

A high-performance, open-source photo and video management solution, and a self-hostable alternative to Google Photos and iCloud Photos. Immich offers automatic mobile backup, fast browsing of huge libraries, facial recognition, object and location search, albums, shared and external libraries, and multi-user support — all on your own server.

Vaultwarden

66,9813,192

A lightweight, open-source password-manager server written in Rust that is compatible with the official Bitwarden clients, and a self-hostable alternative to 1Password and LastPass. Vaultwarden runs the full feature set — vaults, organizations, Sends, attachments, TOTP, and passkeys — from a single container using around 10 MB of RAM.

Medusa

36,1735,204

An open-source headless commerce platform and a self-hostable alternative to Shopify and commercetools. Medusa delivers commerce primitives — carts, orders, payments, fulfillment, promotions, multi-region and multi-warehouse — as a modular Node.js framework, with a REST/GraphQL API, an admin dashboard, and full control over the storefront.

listmonk

23,3002,587

An open-source, self-hosted newsletter and mailing-list manager, and an alternative to Mailchimp and Sendinblue. listmonk ships as a single Go binary with a modern dashboard, scales to millions of subscribers, and supports SQL-based segmentation, templating, multi-list campaigns, and delivery through any SMTP provider.

Appsmith

40,8264,757

An open-source low-code platform and a self-hostable alternative to Retool for building internal tools, admin panels, and dashboards. Appsmith connects to 25+ databases and any REST or GraphQL API, pairs a drag-and-drop UI builder with pre-built widgets, and lets developers add logic in JavaScript — with no per-user cost when self-hosted.

Penpot

59,7254,072

An open-source design and prototyping platform, and a self-hostable alternative to Figma and Sketch. Penpot runs in the browser, stores files as open SVG, and lets designers and developers work in one tool with real-time collaboration, interactive prototypes, Flex/Grid layouts, design tokens, and a free code-inspect panel.

Twenty

56,4058,974

An open-source CRM and a self-hostable alternative to Salesforce and HubSpot. Twenty offers a fast, keyboard-friendly interface for managing companies, contacts, and deals, with fully customizable objects and fields, a GraphQL and REST API, and a permission model teams can shape to their own sales process.

Grafana

76,65814,723

An open-source observability and data-visualization platform, and a self-hostable alternative to Datadog, New Relic, and Grafana Cloud. Grafana unifies metrics, logs, and traces from sources like Prometheus, Loki, Elasticsearch, and PostgreSQL into shared dashboards, with alerting and annotations built in.

Nextcloud

36,7475,157

An open-source content-collaboration platform and a self-hostable alternative to Google Drive, Dropbox, and Microsoft 365. Nextcloud combines file sync and share with calendar, contacts, mail, video calls, and collaborative document editing, keeping every file on infrastructure you control.

n8n

203,65960,603

An open-source, fair-code workflow automation platform and a self-hostable alternative to Zapier and Make. n8n pairs a visual drag-and-drop builder with custom code, 400+ integrations, and native AI capabilities, giving teams unlimited self-hosted executions and full control over their data.

Jan

26,7021,542

An open-source, offline AI assistant that enables users to run language models locally with full privacy and control across multiple hardware platforms.

Hank

8,358966

Hanko is an open-source authentication and user management solution designed with privacy-first principles such as data minimalism and phishing resistance.

Infisical

20,0351,347

Infisical is an open-source secret management platform that helps teams securely manage and sync secrets, configurations, and cryptographic assets across environments.

Loro

4,910113

Loro is a CRDT (Conflict-free Replicated Data Types) library that makes it easy to build collaborative, local-first applications. It offers automatic merging, offline availability, and fast synchronization across peers.

Keycloak

29,3227,570

Keycloak is an open-source Identity and Access Management (IAM) solution that makes it simple to add authentication and authorization to your applications and services.

Plane

38,4492,643

Plane is an open-source project management tool that helps teams track issues, run cycles, and manage product roadmaps.

TomatoBar

2,839151

🍅 World's neatest Pomodoro timer for macOS menu bar

Polgee

3,447294

Tolgee is an open‑source localization platform and i18n toolkit. It enables true in‑app, in‑context translation so teams can edit strings directly in the running app—even in production.

firecrawl

52,2514,515

Firecrawl is an API that turns any URL into clean, LLM‑ready data. It crawls sites (no sitemap required), scrapes dynamic pages, and outputs markdown, HTML, structured JSON, screenshots, links, and metadata.