Sunbird is a free, cross-platform calendar tool developed by the Mozilla foundation.

• Computer/Processor: Intel Pentium II or AMD K6-III+ 233 MHz CPU (500MHz or greater recommended)
• Linux Kernel: 2.2.14 or above with glibc 2.3.2, XFree86-3.3.6, gtk+2.0, fontconfig (xft), and libstdc++5 or above.
• Memory: 64 MB RAM (128 MB RAM or greater recommended)
• Disk Space: 52 MB

Mozilla Sunbird is available at no cost through the Mozilla Sunbird Web site.