| K-9 | K-9 Mail is an open-source email client for Android. | https://github.com/thundernest/k-9 |
| Novu | The ultimate service for managing multi-channel notifications with a single API. | https://github.com/novuhq/novu |
| OptiKey | OptiKey is an on-screen keyboard that is designed to help Motor Neuron Disease (MND) patients interact with Windows computers. | https://github.com/OptiKey/OptiKey |
| qTox | qTox is a chat, voice, video, and file transfer instant messaging client using the encrypted peer-to-peer Tox protocol. | https://github.com/qTox/qTox |