Many Blogging applications are free, these are provided under free-software and open-source licenses, allowing them to used, modified, and redistributed freely.
As my opinion, WordPress(user hosted) is the widely used best blogging software and blogger(blogger.com) is widely used best developer-hosted blogging software.
Here is the list of blogging tools that are offered as free and open source software. PHP based software are most famous in blogging.
- Frog CMS
- Nucleus CMS
- Open Blog
- Apache Roller
- Battle Blog
- Movable Type
Ruby on Rails
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