Open-source projects you can self-host for free as an alternative to a paid subscription. Many also offer a paid managed cloud version.
13 active offers
Penpot
Open-source design and prototyping platform
Penpot is released under the Mozilla Public License 2.0 and can be deployed on your own infrastructure as an open-source alternative to hosted design tools.
Claude
AI assistant from Anthropic
Open-source maintainers and contributors who meet one of Anthropic's criteria can apply for six months of Claude Ultra, the $200-a-month plan, at no cost.
Qdrant Cloud
Managed Qdrant vector search
Qdrant Cloud's free tier gives you a single-node cluster with 1 GB RAM, 0.5 vCPU and 4 GB disk, with no credit card needed.
ChatGPT
AI assistant from OpenAI
OpenAI's Codex for Open Source program offers core maintainers of widely used open-source projects six months of ChatGPT Pro with Codex, with Codex Security access and API credits as optional extras.
Docker
Container development platform: Docker Desktop, Docker Hub and more
Non-commercial open-source projects on Docker Hub can apply for Docker's DSOS program: a verified badge, no rate limits on their public images, Docker Scout on up to 100 repos, and a free one-year Docker Team subscription for core contributors.
n8n
Fair-code workflow automation platform
n8n's Community Edition is free to self-host under the Sustainable Use License, a fair-code licence that n8n itself says is not open source; n8n Cloud is a separate paid subscription.
Immich
Self-hosted photo and video management
Immich is a self-hosted photo and video management solution licensed under AGPL-3.0; the maintainers say nothing sits behind a paywall and paying is optional.
Twenty
Open-source, self-hostable CRM platform
Twenty's open-source CRM is free to self-host and includes all Pro features; its managed cloud plans start at $9 per user per month.
Documenso
Open-source document signing platform
Documenso's self-hosted Community Edition is listed as free forever with no usage limits and includes the full core under AGPL-3.0; enterprise features need a licence key.
Umami
Privacy-focused web analytics
Umami's privacy-focused analytics is open source under the MIT licence and free to self-host, including for commercial use; Umami Cloud adds a free Hobby plan and a $20/month Pro plan.
Plausible Community Edition
Self-hosted, privacy-focused web analytics
Plausible Community Edition is the AGPL-3.0 self-hosted version of Plausible's privacy-focused analytics, with no fees payable to the developer.
Nextcloud
Self-hosted files, calendars and contacts
Nextcloud server is licensed under the AGPLv3 or later and can be installed on your own hardware; the official All-in-One installer is free for up to 100 users.
Mattermost
Open-core, self-hosted team collaboration platform
Mattermost publishes monthly compiled releases under an MIT licence and documents self-hosted deployment via Docker, Ubuntu, tar or Kubernetes.
13 live offers from 13 providers, last updated Nov 2, 2026. Expired offers are hidden from this page, and every listing links to the provider's own page.
The software is free to download and run, but you provide the server and maintenance yourself. Many projects also sell a managed cloud version or paid features. Each listing names the licence and what the paid version adds.
1 say no credit card is needed, including Qdrant Cloud. For the rest the provider doesn't say, so check the listing before you sign up.
7 of 13 have been checked by our editors against the provider's own page and are marked Verified with the date checked. The others are marked Unverified until an editor checks them. The provider's page always has the final terms.
Open the listing to see who is eligible and the steps, then use View deal to go to the provider's page and claim it there. Some offers apply automatically; others need a code, an application or proof of eligibility, and the listing says which.