Our Work



cozybit is the original author and manager of open80211s, the wireless mesh protocol (802.11s) in the Linux kernel, which is used globally for applications such as robust video streaming, tactical communications and gaming. open80211s is […]



MeshBrick is a local multiplayer variant of the game Breakout. The goal of the game is to protect your brick walls and destroy your opponents’ walls by attacking the walls through the space gates. The […]


AllShare Groupcast

AllShare Groupcast is a major innovation in the Galaxy S3 smartphones.  The application lets you play games with those around you in real time.  It also provides the ability to share the contents of your […]

Screenshot from 2014-01-10 16:12:16

MeshKit: Rapid Development of Mesh Enabled Products

MeshKit is a vertical solution provided by cozybit allowing agile and rapid development of mesh products based on the Linux platform. The architecture of meshkit is 100% modular which lets developers select the parts they need […]


Bluetooth LE Stack Customization

With the introduction of Android 4.2, updates to the system replaced the in-kernel Bluetooth stack (BlueZ) with Broadcom’s new implementation developed in userspace.  To push the boundaries of this new implementation, cozybit modified the open […]


High-Throughput and Congestion Avoidance for 802.11s

Cozybit pioneered 802.11n support for mesh networks. Our contribution to the Linux kernel quadrupled the available data rates for all mesh users, with mesh speeds up to 600 mbit/s.  As part of our quest to show […]

Tales of open80211s in the wild

One thing I like about working at cozybit is learning about clients’ novel uses of mesh technology. Today I’m going to tell you about one client’s use case and how we found a bug in […]

How anonymous is Firechat?

Someone recently was asking how anonymous is Firechat, an iOS app that allows chatting using ad-hoc wifi connections, and that is marketed as a hyperlocal anonymous chat network. Firechat uses Apple’s Multipeer Connectivity Framework, which […]

Our Work

cozybit is always working on innovative projects involving networking and wireless technologies . Listed below are a few projects that highlight our work. Meshkit: Rapid Development of Mesh Enabled Products A vertical solution for agile and […]