Networking/Connectivity
freeware
2hotspot
2hotspot is a powerful software and service that enables the instant creation wireless hotspots using your wireless router or wifi card. With this free software you can run your own free or commercial wireless hotspot network; Create local wireless communities where bulletin board, chat, and forums available locally with or without Internet service; Share your broadband service, split your ISP bill, and control shared bandwidth.
freeware
Tunnelier
Tunnelier is a SSH client with dynamic and manual TCP/IP tunneling; auto-reconnect features; a graphical SFTP file transfer client and scriptable console-mode SFTP support; an FTP-to-SFTP protocol bridge; support for single-click Remote Desktop forwarding for graphical server access; and support for vt100, xterm and bvterm terminal consoles.
freeware
WeFi
WeFi enables reliable connection to Wi-Fi wherever wireless networks are available. Wefi users can move between open Wi-Fi networks automatically, monitor friends' online status and location, know the proximity of neighboring WeFi users who allow it and chat with them. WeFi hotspot directory will help you find a wireless network to connect to anywhere around the world.
freeware
Hamachi
Hamachi is a zero-configuration virtual networking application enabling secure direct communications between any two computers on the Internet regardless of the presence of firewalls or address translation devices on the route between them. In particular, it can create true peer-to-peer network between two computers each residing behind its own broadband router. Sleek and simple interface, fast and transparent operation.
freeware
NetSetMan
NetSetMan is a network settings manager which can easily switch between 5 different, visually structured profiles.
freeware
CrossLoop
CrossLoop enables two people to share desktops securely from different locations on the Internet with only a single click.
freeware
Tor
Tor is a toolset for organizations and people that want to improve their safety and security on the Internet. Using Tor can help you anonymize Web browsing and publishing, instant messaging, IRC, SSH, and other applications that use the TCP protocol. Tor also provides a platform on which software developers can build new applications with built-in anonymity, safety, and privacy features.
Communications are bounced around a distributed network of servers, called onion routers. Instead of taking a direct...
freeware
AIM Express
Send IMs to your friends without installing any software. AIM Express service is convenient whenever you're away from your home computer: at school, the office, or a friend's house. Talk to your friends from any computer with a Web browser and access to the Internet.