Consolation - In-game debug console that displays output from

GitHub for Unity editor extension

The git hub workflow with git lfs and file locking support all within unity

Grouping Tool | Utilities Tools | Unity Asset Store

Use the grouping tool from alexey strelkov on your next project find this utility tool more on the unity asset store

Scene View Bookmarks - Editor extension to bookmark and later recall scene views.

SnazzyGrid2 | Level Design | Unity Asset Store

Get the snazzy grid2 package from becoming and speed up your game development process find this other level design options on the unity asset store

UniMerge | Version Control | Unity Asset Store

Get the uni merge package from defective studios and speed up your game development process find this other version control options on the unity asset store

UniRx - UniRx (Reactive Extensions for Unity) is a reimplementation of the .NET Reactive Extensions. Rx cures the "asynchronous blues" without async/await.

UnityToolbag - Collection of miscellaneous open source scripts and helpers for Unity 5.0.