SmartGit is ideal for software developers, DevOps professionals, and anyone who frequently works with Git version control systems. It is particularly useful for those who need a GUI-based solution to manage and visualize their repository workflows.
GitKraken - The intuitive, fast, and beautiful cross-platform Git client.
HMTMAA - Clever tool to estimate cost of building an app
SourceTree - Mac and Windows client for Mercurial and Git.
Lean Canvas - Business plans take too long to write, are seldom updated, and almost never read by others but documenting your hypotheses is key. Lean Canvas solves this problem using a 1-page business model.
GitHub Desktop - GitHub Desktop is a seamless way to contribute to projects on GitHub and GitHub Enterprise.
Estimapp - How much does it cost to make an app?