Top Scripts free
WordPress ( not designed for forum but you can use blog as forum, or along with blog)
SMF Simple machines Forum Script
It is very easy to configure and manage, you can also learn more about smf by asking their forum. I have listed some top and must have mods(modifications like plugins in WordPress on this blog) TOP 10 mods for SMF.
Premium Forum Scripts
A bulletin Costs $500 dollars for script new customers, Upgrading customers also have to some of amount equal to new.
Mobile friendly, made for Professionals.
Even if you brought this script free from some places, you don;t have support from them. also they will ask you to provide license key otherwise they can put DMCA complaint against to you.
Running the forum in local language India none above have language packs. WordPress have All India languages packs including Telugu, Tamil and Hindi.
Forum promotion Must Important
I have been running a forum since 5 years but it not so popular because i have not focused on it.
changed domain names now it’s topindianforum.com it will expire soon on 8/09/2015. I am not interested to renew that.
Running forum in local language:
I tried to create a forum in the Telugu language,but it not possible until above software update their language packs, for that they need a language translators to maintain that. we can apply for that at MyBB, SMF PHBB also.
Now i am going to create a News website and forum with WordPress in local language Hindi and the domain name Is Duniawale.com I tried indiawale.com but someone else registered before I thought.
Not SEO Optimized for google. But google Now ranking based on trustworthy and freshness. also they have the panda, penguins, algorithms and Human editors to evaluate low quality, thin content