Open-source TCP/IP stacks

This is a (non-exhaustive) list of open-source TCP/IP network stacks. Basically every OS has one, but this list is focused on gathering those which are easily used within other projects.

emb::6

• https://github.com/hso-esk/emb6
• Related to uIP via Contiki

FNET

• http://fnet.sourceforge.net/

FreeRTOS+TCP

• https://www.freertos.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/index.html

Generic (GNRC) network stack

• https://riot-os.org/api/group__net__gnrc.html

lwIP

• https://en.wikipedia.org/wiki/LwIP
• https://www.nongnu.org/lwip/

Microchip TCP/IP Lite Stack

• Name: AN1921
• https://www.microchip.com/wwwAppNotes/AppNotes.aspx?appnote=en573940

PicoTCP

• https://github.com/tass-belgium/picotcp

uIP

• https://en.wikipedia.org/wiki/UIP_(micro_IP)
• https://github.com/adamdunkels/uip

Non-open

Included for the sake of completeness.

• Green Hills
  • https://www.ghs.com/products/comm_tcp-ip.html
• HCC-Embedded / InterNiche
  • https://www.hcc-embedded.com/ipv4-and-ipv6
  • http://www.iniche.com/source-code/networking-stack/dual.php
• Micrium
  • https://www.micrium.com/rtos/tcpip/
• Treck
  • http://treck.com/treck-ipv4v6-dual-stack-datasheet/