绝对值得尝试的一些网址，不看估计会后悔
**https://www.join.me/** - online meeting solution.
**https://www.waveapps.com/accounting/** - an accounting software.
**http://www.rememberthemilk.com/** - task manager.
**http://www.gotfreefax.com/** - as the url.
**https://www.bitrix24.com/** - a combination of several different work tools like CRM, project management, real-time streaming, activity planner, file sharing, to name just a few. As it is cloud-based, access can be anywhere, whether using your computer or smartphone.
**https://kolab.org/** - a Free Software initiative building a unified communication and collaboration system
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