The Impact client is an advanced utility mod for Minecraft, it is based on ClientAPI and includes a large number of useful mods
You can view a list of past and upcoming changes here.
If you donate $5 or more (and enter your Minecraft username), you will recieve a few small rewards such as early access to upcoming releases through nightly builds, premium mods (currently Ignite), a cape visible to other Impact users, and a gold colored name in the Impact Discord Server.
Before making a payment, ensure that your Minecraft Username or UUID is specified in the payment note and Discord Username#XXXX if you would like the roles in our server. Payments may take up to 72 hours to process.