Hold'em Manager is the leading poker analysis tool.
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Graphs - with multiple filters allow complete customization of your charts
Summary:  Show filtered or unfiltered winnings including All-in EV (Expected Value), showdown and non showdown winnings along with your rakeback.  Graphs are completely customizable by stake, position, vs player, # of players, stack sizes, preflop action facing player and so many more.  There are literally a million different filter combinations! 

Hands - Review hands by session, date, win/loss and many other parameters
Summary:  View all of your hands, filtered (this one shows all hands where you had an overpair on the flop and then a higher card hit on the turn) or unfiltered choosing the stats you want to see and easily replay them or view them right from this screen.  Wins and Losses are highlighted for easy viewing.

Players - Run reports against all players using various filters for never before seen player comparisons
Summary:  Run database wide reports against all players using various filters for never before seen player comparisons.  Click on a player to get detailed analysis showing all stats that deviate from typical values which is an excellent way to find ways to exploit the competition.  Also click on any column and get database wide analysis on standard ranges and average player win rates within the corresponding ranges.

Preflop - Instantly review preflop hands by position and action taken
Summary:  A color coded view into a player’s starting hands quickly showing you approximate ranges based on actions.

Reports 1 - Run reports with tons of filters showing every action and leak
Summary: Run any report, prebuilt or create your own and then choose any combinations of filters and stats for extreme flexibility and power.

Reports 2 - Run reports with tons of filters showing every action and leak
Summary:For example, select the Holecard report and set a filter for being all-in preflop where at least ¾ of a full stack was wagered and you can now see all the cards that match, how often you won, how much you won or lost and the actual average win% you had when getting it all-in.  Then click on any row from any report and view the matching hands.

Sessions - Complete session breakdowns showing all the key hands and stats
Summary: Get complete session breakdowns showing all the key stats and easily view the hands from an individual session.  You can also roll it out and break stats down by table or roll it up to show full day or full month stats.

Detailed Stats - Powerful HUD elements allow incredibly detailed information to be displayed on the fly
Summary:  Hover over a stat and you get a window with more detail about the stat.  In this case I was thinking about a steal.

Big Pop-up - Powerful HUD elements allow very detailed information to be displayed
If you are facing a tough decision, click on a player's HUD and you get all the information necessary to make the best decision possible.

Instant Hand History - review in an easy-to-read format
Summary:  Did you just miss a big pot?  What happened?  Instantly check most recent hands with easy-to-read formatting.  There’s even a 1-click copy to clipboard option.  (2+2 – TXT – RTF)

CPU - 16 Tabling – Not a problem with Holdem Manager
Summary: We wouldn't recommend this layout but if you really want to 16-table, full ring games with every conceivable stat, then HEM should be able to handle it.(Shot taken on EE6750 dual core @ 2.4Ghz)

Hand Replayer - Use the Hand Replayer to quickly review all the action
Summary:  Replay past hands to see your mistakes or relive glory moments.  The Hand Replayer shows pot odds, stats on your opponents and win %.  You can even choose to only show stats on your opponents up to the current hand being played.  Instantly move to the flop, turn or river with a single mouse click.  The Hand Replayer is a must use option to help plug your leaks