- A restrictive open source license - Ways to have a project under the GPL but also available for commercial inclusion - They have an interesting way to make the project available under an open source license but also facilitate using it in non-[[GPL]] compliant uses - > Algo is licensed and distributed under the AGPLv3. If you want to distribute a closed-source modification or service based on Algo, then please consider [purchasing an exception](mailto:[email protected]) . As with the methods above, this will help support continued development.