This post has a good list of available math software.
- Ignore errors when executing a command in emacs with condition-case on
- GPG/PGP: sign or encrypt emails or files on
- PBX in a Flash + Incredible PBX makes setting up FreePBX + Asterisk easy on
- Secure access to home IP cameras over the web with SSL on
- Home Security: record CCTV cameras with ZoneMinder as DVR on