Free messages, Free Calls. Unlimited!
Nimbuzz Messenger combines the power of internet and smart phone messenger into one, and lets you make cheap international voice calls, send unlimited chat messages, share files on any mobile device across popular messengers. Nimbuzz Messenger is available on Android, iOS, Blackberry, Symbian, Java, Windows and Mac.

Use Voice SMS to record and send voice message via SMS (text). Designed to be very easy to use.

3 touches are enough to send a message. Use it when inconvenient to type. Use voice to express what text cannot.

Recipient will receive a normal SMS embedded with the URL where your voice message can be streamed and played.

Yaaic (Yet Another Android IRC Client) is an Internet Relay Chat (IRC) client for Android devices.

yaxim - Yet Another XMPP Instant Messenger

yaxim (Yet Another XMPP Instant Messenger) is a Jabber/XMPP client with open source (GPLv2). Why pay for SMS if you can have unlimited messaging on your data plan?

yaxim aims at security, low overhead and keeping your server connection open. So far, it only supports a single account.

Yaxim is Open-Source. You can contribute too!

OpenVPN connection manager with authentication prompt. OpenSource
Please use the Market version if you can.

v0.8.3: bugfix
v0.8.2: settings: autoload tun driver, set DNS srv
v0.8: Traffic stats in Notif panel
v0.7: Authentication prompt

Need root, tun driver and openvpn binaries. README: http://tinyurl.com/tdreadme

Follow: http://twitter.com/cvandeplas

Email me if not working

ConnectBot is a powerful open-source Secure Shell (SSH) client. It can manage simultaneous SSH sessions, create secure tunnels, and copy/paste between other applications.

This client allows you to connect to Secure Shell servers that typically run on UNIX-based servers. See Wikipedia for more information on Secure Shell.

Bloo 1.3.8b - The first native Facebook App for Android.

Check http://fbandroid.wordpress.com for fixes/changes!

Free Edition
This app only works with phones that have root/super user access (e.g. the Development Phone). This app tethers your cell phone's Wifi internet connection to your PC. The connection between your phone and PC is a bluetooth PAN connection. Please visit http://www.androidactivity.com/tetherBlu.html before installing!
This is the Free version which will only work if you have a wifi internet connection on your phone. If you want to tether the cell internet connection try the Premium version.

Brazilian users only
Aplicação que gerencia as operadoras de DDD. É uma aplicação para facilitar o uso do celular evitado que tenhamos que ficar digitando a operadora toda hora que vamos fazer um DDD ou quando estamos em roaming.
Basta digitar o 0+DDD+número que a aplicação se encarrega do resto. Quando vc estiver em roaming e desejar fazer uma ligação para seu DDD de origem basta digitar o número, não é necessário colocar 0+DDD.
Versão 1.1.0:
- Novas opções, ajuda e registro. Bug corrigido.

Premium Edition
This app only works with phones that have root/super user access (e.g. the Development Phone). This app tethers your cell phone internet connection to your PC. The connection between your phone and PC is a bluetooth PAN connection. Please visit http://www.androidactivity.com/tetherBlu.html before installing!

This app only works with phones that have root/super user access. This app tethers your cell phone internet connection to your PC. The connection between your phone and PC is an ad hoc wifi connection. Please visit http://www.androidactivity.com/tetherWifi.html before installing!
Features:
-Multiple Connections
-Running Status
-MAC Filtering
-DHCP Configuration Settings
-Change SSID

Contact me with any questions.