Tamil Blogs- One of the fastest growing community. All of the Tamil blogs can be viewed from these following aggregation websites.
http://tamil.blogkut.com/ சங்கமம்- Aggregates all of the Tamil blogs, news and videos not required to register with. also Comments aggregated.
http://tamil.kanimai.com - Aggregates all of the Tamil blogs, not required to register with.
To these aggregators, bloggers have to register with them to get served for blogs.
http://thamizmanam.com -Aggregates blogs and comments and one of the tamil blogs Aggregation pioneer. Have to have a their source code in the blog's templates.
http://thenkoodu.com -Aggregates blogs. Have to have a their source code in the blog's templates.
http://tamilblogs.com - Aggregates blogs.
http://thiratti.com- aggregates blogs.
http://tamilveli.com- Aggregates blogs and comments.
Update : 2008-Jan