- [REI3](https://rei3.de/home_en/) - Open source, expandable Business Management Software. Manage tasks, time, assets and much more. ([Demo](https://rei3.de/demo_en/), [Source Code](https://github.com/r3-team/r3)) `MIT``Go`
- [REI3](https://rei3.de/home_en/) - Open source, expandable Business Management Software. Manage tasks, time, assets and much more. ([Demo](https://rei3.de/demo_en/), [Source Code](https://github.com/r3-team/r3)) `MIT``Go`
- [SilverStrike](https://silverstrike.org/) - Personal finance management made easy. ([Demo](https://demo.silverstrike.org/), [Source Code](https://github.com/agstrike/silverstrike)) `MIT``Python/Django`
- [SilverStrike](https://silverstrike.org/) - Personal finance management made easy. ([Demo](https://demo.silverstrike.org/), [Source Code](https://github.com/agstrike/silverstrike)) `MIT``Python/Django`
- [SolidInvoice](https://solidinvoice.co) - Open source invoicing and quote application. ([Source Code](https://github.com/SolidInvoice/SolidInvoice)) `MIT``PHP`
- [SolidInvoice](https://solidinvoice.co) - Open source invoicing and quote application. ([Source Code](https://github.com/SolidInvoice/SolidInvoice)) `MIT``PHP`