Damn Good Tools - Easy-to-use, fun productivity tools—free (and open-source).
Tool Finder - The wikipedia for 100+ productivity tools/apps
Timemount - Time tracking and productivity monitoring tool
Loopple - With Loopple, you can build your next Bootstrap Dashboard easily using drag and drop.
Alternative To by SaaSHub - Find the alternative to every product with a single click
Productivity Bundle - Boost your productivity 10x by using this bundle