NOTE THAT THIS IS OUTDATED, BUILDCRAFT IS NOW UP TO 7.2.7 on the official GitHub page (https://github.com/BuildCraft/BuildCraft/releases).
Report bugs here: https://github.com/AlexIIL/Buildcraft_1.8_Issues
The current release is here
All previous releases (going back to pre12) can be found here
All of buildcraft in one jar: buildcraft-7.2.0-pre12.jar NOTE THAT COMPAT IS NOT INCLUDED IN THE FULL JAR!
Compatibility with other mods: buildcraft-7.2.0-pre12-compat.jar
Each indervidual module: buildcraft-7.2.0-pre12-(module).jar
(where "(module)" refers to api, builders, core, energy, factory, robotics, silicon, transport). Dependencies: core requires api and all the others require both core and api
[1.8.9] [Migration from below] buildcraft-7.2.0-pre8-migration-ver3.jar
[1.8] [Migration to above] buildcraft-0.14-alpha-migration.jar