Common Apex Library supporting Apex Enterprise Patterns and much more!

An Apex mocking framework for true unit testing in Salesforce, with Stub API support

Functional programming for Salesforce Apex

Code formatter for the Apex Programming Language

SObject factory that can be used in unit tests to create test data.

Generic DI library with support for Apex, Triggers, Visualforce and Lightning

Native Apex Zip library for Salesforce.com

Lightweight mocking library in Apex

Salesforce Open Source Library

Framework to setup Apex test data in a highly flexible and readable way using the Test Data Builder pattern.

Flexible and highly customizable Visualforce table grid component. Salesforce.com Classic Look and Feel.

Advanced Techniques for Salesforce DX Adoption Framework

Dreamforce 2012 Session - Applying Enterprise Application Design Patterns on Force.com

Common Apex utility classes and frameworks used by Sirono products

Simple framework for using feature flags in apex driven by Custom Permissions and Custom Metadata Types.

Amoss - Apex Mock Objects, Spies and Stubs - A Simple Mocking framework for Apex (Salesforce)

Filter sObject collections based on declarative criteria.

An SObject fabrication API to reduce database interactions and dependencies on triggers in Apex unit tests.

Enforces CRUD/FLS in the least disruptive way possible

A universal mock class in Apex

Chain Asynchronous Apex in a readable and flexible way without hardcoding the successor.

Custom Apex queue to process arbitrary work on existing SObject in a guaranteed order.

Convenient query builder for dynamic SOQL queries

Relax - your Force.com Batch / Scheduled Job woes are over.

A development framework for Salesforce's Apex language & the Force.com platform

Simple yet powerful Rule Engine for Salesforce - SFDCRules

Apex library that dynamically generates SOQL & SOSL queries

A library to build/execute SOQL from JSON definition in Apex with secure FLS check