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Connectivity - Software

Microchip TCP/IP Stack with SSL
Microchip TCP/IP with BSD Sockets
Micrium uC/OS-II and uC/TCP-IP for PIC32 - Pre-configured project available
CMX MicroNet
Microchip USB Device and Embedded Host Stack
Microchip MiWi™ Protocol Stack
Microchip CAN Library for PIC32 - includes support for the Microchip MCP2515 CAN controller

Connectivity - Hardware

Microchip Ethernet PICtail Plus Daughter Card (AC164123) - Buy from Digi-Key
Microchip SD & MMC Card PICtail Daughter Board (AC164122) - Buy from Digi-Key
Microchip ECAN/LIN PICtail Plus Daughter Board (AC164130)

Multimedia - Software

Microchip Graphics Library
Microchip Audio Library for PIC32MX (Speex, ADPCM, WAV)
SEGGER emWIN
Micrium uC/GUI
RamTEX Graphics Libraries

Multimedia - Hardware

Microchip Graphics PICtail Plus Daughter Board (AC164127) - Buy from Digi-Key
Microchip Speech Playback PICtail Plus Daughter Board (AC164125) - Buy from Digi-Key

RTOS

Micrium uC/OS-II for PIC32 - Pre-configured project available
Express Logic ThreadX for PIC32
SEGGER embOS for PIC32
CMX RTX
FreeRTOS RTOS for PIC32

General Software Libraries

Microchip 16-bit File System - located in TCP/IP Stack example code
Microchip 32-bit File System
Microchip Data EEPROM Emulation Library for PIC32

General Hardware

Microchip PIC32 Starter Kit - Phase 1 prize
Microchip PIC32 USB Starter Board
Microchip PIC32 I/O Expansion Board - Phase 1 prize
Microchip Prototype PICtail Plus Daughter Board (AC164126)
Kiwacan KPIC-P32S1
eflightworks AV-32

Availability of free evaluation software varies by vendor. Certain products may require users to purchase a license.