Open-Source Alternatives

Penpot: self-host the open-source design 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 for Open Source: 6 months of Claude Ultra free for eligible maintainers and contributors

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 free tier: a 1 GB vector search cluster, free forever, no credit card

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.

• No credit card

Codex for Open Source: six months of ChatGPT Pro with Codex for open-source maintainers

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.

• Approval needed

Docker-Sponsored Open Source program: free Docker Team for core contributors and no pull limits

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.

• Approval needed

n8n Community Edition: free to self-host under a fair-code licence

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: free, self-hosted photo and video library (AGPL-3.0)

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 CRM: self-host free with all Pro features

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 Community Edition: free self-hosted e-signing (AGPL-3.0)

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: free, MIT-licensed self-hosted 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: free self-hosted 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-host your own file sync and collaboration server

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: self-hosted open-core team chat

Mattermost publishes monthly compiled releases under an MIT licence and documents self-hosted deployment via Docker, Ubuntu, tar or Kubernetes.