There are plenty of Twitter tools to choose from. There are hundreds of Twitter tools that would help out with Twitter. However, with all of those options, many tweeters will spend too much time authorizing different apps that will help them in some way on Twitter. Instead of looking through all of those options, I focus on three Twitter tools.
1. HootSuite is a well known Twitter tool that allows you to schedule tweets that will appear on your timeline anytime and any day. HootSuite also allows you to sort information such as mentions, hashtags, retweets, and more. You can also connect your other social networks to HootSuite so you can schedule posts on more social networks.
2. TwitterCounter is a Twitter tool that allows you to look at your statistics. You can see how many people followed you, and you can get an estimate of how long it will take for you to reach certain milestones. Do you want to know how long it would take for you to reach 5,000 followers? TwitterCounter will show you. You will have access to the statistics of the number of people you follow, the number of people who follow you, and the number of times you tweet for free. Premium members get statistics for mentions and retweets as well.
3. Tweriod is a Twitter tool that allows you to see when your followers are actually on Twitter 24/7. Tweriod will give you a list of the best times to tweet based on how many of your followers are on Twitter at a specific time. Then, you can use HootSuite to schedule your most important tweets for those time frames.
Those are the 3 best Twitter tools. I do not recommend using too many Twitter tools because you will lose focus on the ones that are the most important.