When I freelanced, a long time ago, I used Solo[0] as a self-hosted solution. It allows only for one account manager but it was perfect for me. It is written i

When I freelanced, a long time ago, I used Solo[0] as a self-hosted solution. It allows only for one account manager but it was perfect for me. It is written in PHP and the licence gave me permission to edit it the way I needed, so I did. The same company also makes a "full-featured" alternative called Duet[1] that costs 49$ to buy. [0]: http://www.getsoloapp.com/ http://www.getsoloapp.com/ [1]: https://duetapp.com https://duetapp.com