As those who have been around here for awhile know, I'm a fairly obsessive follower of the Indians minor league system.  The full organizational perspective, including player acquisition, development, and major league usage is part of why I like baseball so much.  Most of what I post is simply gleaned from a host of websites that provide minor league data.  For convenient reference, here are some of the ones out there.  For comparison, I've linked all these sites to Matt Laporta's page.

Baseball Reference (minors) - the major league site is the grand poo-bah of wasting time on the internet looking up baseball stuff (and is fantastic).  The minor league site has been up and running for awhile and is pretty good at providing you with basic stats for hitting and fielding.  For players who have switched leagues in-season, it provides the individual as well as cumulative lines.  Also provides some basic league and team summary data for perspective (league OPS, team OPS).  If you wander around for awhile you can find more league data, like average age, as well.

milb.com - Major League Baseball's official minor league site.  Provides minor league scoreboards as well as team and individual data.  Provides basic offensive stats, but only for the current and former season, as well as career totals.  Also provides some basic splits.

The Baseball Cube - it has been around for awhile and for some time was the only convenient source of data extending back into college stats.  Provides just basic stats and does not provide cumulative lines like B-Ref.  Has a nice draft index which allows you to look through year by year, round by round, or team by team drafts with links to player stats.

First Inning.com - One of the newer websites, provides some extended stats (K%, BB%, BABIP, etc) in addition to the basic stats.  Also includes some BIP data (LD%, GB%, FB%) and splits.  Data does not go back very far for older players.

FanGraphs - Another site which recently added minor league data.  Also includes basic and extended batting/pitching statistics.  Site has been regularly updated with new features over the past two years.

MinorLeagueSplits.com - For a long time was the only place to get good split data, but had a terrible interface.  Very recently got a major overhaul and now provides season, level, and cumulative splits of all kinds.  Also allows you to park and luck neutralize the data.

Baseball Prospectus - I have to admit that I'm not a subscriber to BPro, so I don't use it much as much of their content is pay-only.  They do have links to minor league players that are in their proprietary PECOTA projection system.

Baseball America - another site that puts most of its content behind a pay-wall.  As far as stats go, they don't have much to offer (current season feed only). Does have lots of commentary extending into the high school and college ranks with a heavy focus on providing scouting reports for the draft (if you get really excited about knowing who the 13th ranked high school outfielder in Florida is this year).  These days I almost never go there.

MinorLeagueBall.com - a fellow SBN site run by Jon Sickels.  Provides scouting reports and commentary on minor league players throughout the league.  I used to follow it closely until I came to realize Jon, who seems like a nice and informative guy, knows very little about the Tribe's system or its players.  Also the commentators on the site are the diehard fantasy baseball type.  Like BA, it's fallen off the list of places I visit.

Anything I'm missing out on that people use?

Also, for specific Indians coverage, Tony Lastoria runs a great blog for the goings-ons in the Tribe's farm system.  TheDiatriber, an LGT regular, also has a great blog providing general Tribe system commentary.  Be sure to check out his Lazy Sundays.