Awesome Paid Open Source
Collection of links around paid/sustainable open source development
Contributing
Feel free to add links via PRs and file issues to start discussions.
Table of Contents
Perspectives
Donation sites
Open Source Grants
Payment Platforms
Payment Tools
Profit-sharing Platforms
Open Source Software Foundations
Example Projects
A collection of paid open source projects to use as a reference for your own efforts.
- Synergy (GPL) charges for downloads, but also provides free access.
- Sidekiq (LGPLv3) offers pro and enterprise add-ons, but offers free access for a hobbyist usage level.
- Greenkeeper (Apache-2.0) offers premium individual and organization levels of usage, but offers free usage for open source projects.
- npm (Artistic-2.0) is free to use for all projects, but offers premium individual and enterprise add-ons.
- Ember.js (MIT) is free to use for all projects, but premium consulting and training services are provided by the authors.
- Meteor.js (MIT) is free to use for all projects, but offers a premium hosting solution for meteor projects.
- Intern (New BSD) is free to use for all projects, but has premium support offered by SitePen.
- Docker (Apache 2.0) is free to use for all projects, but offers premium hosting and training support.
- Tern.js (MIT) is free to use for all projects, but releases language expansion packs via crowdfunded campaigns.
- JW Player (CC-BY-NC) charges for streaming video service and ad platform
- Plotly.js (MIT) is entirely free to use while the Plotly platform built on top of the library has a free "community" tier and other paid tiers. Plotly.js features are also funded directly through paid sponsorships.
- Dnote (AGPLv3) is a free to self-host or use use locally, but offers a paid, hosted version for the server side software.
- Monica (AGPLv3) is free to self-host, but offers a paid, hosted version.
These projects are dual-licensed. They require a paid license for commercial or closed-source use, but offer a free license for non-commercial or open-source use.
Sponsored Projects
These projects are/were sponsored by organizations or donation-based backers.
Relevant Licenses
A collection of licenses that may be particularly useful for paid open source projects.
- Business Source License (BSL) is a customizable commercial license with language that defines free vs. commercial use (copy-left), with the ability to switch to a free open source license of your choice after a few years.
Reference
FAQ and Key Terms
Dual licensing
Quote from "Open Hardware Business Models"
The first license is a GPL-like license, which is free but forces users to disclose the source code of any modified version of the original design. The second is a commercial license, which has a fee but allows buyers to conceal the source code of any modified version.
Source software foundations
License
To the extent possible under law, Joel Kemp has waived all copyright and related or neighboring rights to this work.