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

GitLab CE

24,5545,989

GitLab Community Edition is an open-source, self-hosted DevOps platform, and an alternative to GitHub and Bitbucket that folds source hosting, code review, CI/CD, and issue tracking into one application. A single install gives teams Git repositories, merge requests, pipelines, a container registry, and project planning without wiring separate services together. The MIT-licensed CE is free to run at any scale.

Dify

155,03724,487

Dify is an open-source platform for building LLM applications and agentic workflows, deployable on your own infrastructure. It combines a visual workflow builder, a prompt IDE, retrieval-augmented generation over your documents, agent tools, and observability, so teams go from prototype to production without stitching libraries together. It works with dozens of model providers, both hosted and local.

ERPNext

39,01712,735

ERPNext is an open-source enterprise resource planning suite, and a self-hosted alternative to SAP, Oracle NetSuite, and Microsoft Dynamics. Built on the Frappe framework, it covers accounting, inventory, manufacturing, sales and purchasing, projects, HR, and CRM in one data model, with every form, report, and workflow customizable without forking. It fits small businesses through mid-market operations.

Jitsi Meet

29,8938,020

Jitsi Meet is an open-source video conferencing platform, and a self-hosted alternative to Zoom, Google Meet, and Microsoft Teams. Meetings run in the browser over WebRTC with no account or install for participants, and scale from peer-to-peer calls to large moderated rooms via the Jitsi Videobridge. The whole stack is self-hostable, so meeting media and metadata stay on your servers.

Mautic

10,4613,435

Mautic is an open-source marketing automation platform, and a self-hosted alternative to HubSpot, Marketo, and ActiveCampaign. It unifies contact management, email campaigns, landing pages, forms, and multi-step drip workflows, with lead scoring and segmentation deciding who receives what. Running on your own server means contact data and campaign analytics stay on your infrastructure, with no per-contact fees.

Unleash

13,793894

Unleash is an open-source feature management platform, and a self-hosted alternative to LaunchDarkly. It controls feature flags through activation strategies — gradual rollouts, user targeting, A/B tests — with SDK evaluation happening locally for low latency and privacy. It includes environments, approval workflows, audit logs, and a metrics view of flag exposure.

Typesense

26,531971

Typesense is an open-source, typo-tolerant search engine built for fast instant-search experiences, and a self-hosted alternative to Algolia. It holds indexes in memory for sub-50ms queries, ships with sensible relevance defaults, and adds faceting, filtering, geo-search, and vector/semantic search. Official clients and framework adapters (InstantSearch, Next.js, Laravel) make integration quick.

Actual Budget

28,6312,961

Actual Budget is an open-source, local-first personal finance app built around zero-based (envelope) budgeting, and a self-hosted alternative to YNAB. Every budget is a local file that works fully offline, with optional end-to-end encrypted sync across devices. It imports transactions by file or bank-sync integrations and includes rules, scheduled transactions, and reporting.

Paperless-ngx

44,9363,095

Paperless-ngx is an open-source document management system that turns scanned paper and PDFs into a searchable digital archive. It performs OCR on every document, extracts dates and correspondents, and applies tags and document types with trainable matching rules, so filing becomes automatic. It is the actively maintained, community-supported continuation of Paperless-ng.

Authentik

25,4061,994

Authentik is an open-source identity provider and single sign-on platform, and a self-hosted alternative to Okta, Auth0, and Microsoft Entra ID. It centralizes login for web apps, VPNs, and infrastructure through SAML, OAuth2/OpenID Connect, LDAP, RADIUS, and SCIM, with a flow engine that lets you compose enrollment, MFA, and recovery journeys visually. Run it for a homelab or scale it to a production cluster.

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.