Description: Placehold.it is a simple image placeholder service that generates custom placeholder images for you. Specify image dimensions and background color to get a link to a placeholder image.
Type: software
Pricing: Free
Description: Tuple is an open-source, self-hosted knowledge base and documentation software. It allows teams to create structured data and documentation that is easy to organize, search, and share. The editor supports markdown formatting for creating clean, readable text.
Type: software
Pricing: Open Source