Following is the list of famous and most reputed Bitcoin forums.
/r/bitcoinall – At the time of print, this subreddit has 528 readers. Its purpose is to bring together all of the various Bitcoin subreddits in one place, causing for considerable post frequency. This subreddit gathers from the following subreddits: /r/BetterBitcoin, /r/bitcoin_devlist, /r/bitcoin_uncensored, /r/BitcoinMarkets, /r/BitcoinSerious, /r/BitcoinTechnology, /r/BitcoinTV, /r/bitcoinxt, /r/btc, /r/BTCuncensored, /r/WeAreBitcoin and/r/BitcoinMining.
/r/bitcoinxt – With more than 12,000 readers, this subreddit focuses on “providing open discussion on all things Bitcoin.”
/r/BitcoinBayArea – The largest regional Bitcoin forum on Reddit is Bitcoin Bay Area. The subreddit has nearly 100 readers.
r/CryptoCurrency – With more than 18,000 readers, CryptoCurrency is one of the largest crypto related forums on Reddit.
r/BitRussia – r/BitRussia is a small subreddit, with fewer than 200 members, but its Russian language basis makes it an important resource.
https://www.reddit.com/r/BitcoinMarkets – With more than 20,000 traders, r/BitcoinMarket is a useful resource when it comes to the Bitcoin price.
v/Bitcoin – Voat has been popularized in the wake of the censorship scandals at Reddit.
Bitcoin Community – Google+ is by no means a first class social network. Nonetheless, there’s a Bitcoin community with an okay stream of information.
The Cryptortrust Group – The Cryptortrust Group has some popular Bitcoiners among its nearly 6,000 members.
Bitcoin Brasil – WIth more than 13,000 members, Bitcon Brasil has become a resource for Bitcoin news in Brazil and the world.
The Bitcoin – Its more than 16,000 members makes it a great Bitcoin resource