darktable
Description: darktable is an open source photography workflow application and raw developer. It manages your digital negatives in a database, lets you view them through a zoomable lighttable, and enables you to develop raw images and enhance them.
Type: software
Pricing: Free
Gotalk
Description: Gotalk is an open source, self-hosted team chat and collaboration platform. It offers features like public/private channels, direct messaging, file sharing, search, integrations and more. Gotalk aims to provide a simple and easy to use communication tool for teams.
Type: software
Pricing: Open Source