You can add leagues, big or small, to Sports Club Stats.
   It's free.
   It's easy.
   Just email import@sportsclubstats.com the:
      structure
      schedule
      and rules
   In a few minutes you'll get back a link to the league.
   Play around, have fun, you won't break anything.
   I look forward to seeing what you create.

Info about the various settings:
   https://docs.google.com/document/d/1-UneDNk6tkOrc_B-WBnGnc5KGiy2kttXC2fW8dR7QzM/edit?hl=en

For example, here is what created this league:

LeagueBegin
  League: Fantasy Bros                        (ID: 1a16m) (Sort: League) (Playoffs: 4)
    Team: North Dakota Beige      (Beige)     (ID: t1jyq)
    Team: Cee Lo Green Bay Browns (Cee Lo)    (ID: t1jyr)
    Team: Captain Fat Belly       (Fat Belly) (ID: t1jys)
    Team: MVP                                 (ID: t1jyt)
    Team: Green is the New Black  (New Black) (ID: t1jyu)
    Team: New England Patriots    (Patriots)  (ID: t1jyv)
  Kind: fantasy
  Sport: football
  Gender: male
  Country: USA
  State: 
  Level: A
  Season: 2015 (current: True)
  Author: Fire Alarm
  Note: We're less than amazing.
  LotteryNote: These words are an illusion.
LeagueEnd

SortBegin
League:  Points, Average Points HeadToHead, DrawLots
SortEnd

RulesBegin
  PointsForWinInRegulation:  1
  PointsForWinInOvertime:  1
  PointsForWinInShootout:  1
  PointsForLossInRegulation:  0
  PointsForLossInOvertime:  0
  PointsForLossInShootout:  0
  PointsForTie:  0.5
  PercentOfGamesThatEndInTie:  0.01
  PercentOfGamesThatEndInOvertimeWin:  0
  PercentOfGamesThatEndInShootoutWin:  0
  HomeFieldAdvantage:  0.5
  WeightType:  PercentOfPointsWon
  WeightExponent:  15
  WhatDoYouCallATie:  tie
  WhatDoYouCallLottery:  lottery
  WhatDoYouCallPromoted:  promoted
  Promote:  0
  PromotePlus:  0
  PromotePlusPercent:  0
  WhatDoYouCallDemoted:  relegated
  Demote:  0
  DemotePlus:  0
  DemotePlusPercent:  0
RulesEnd

GamesBegin
TeamListedFirst: home
9/10/15    Beige       64.64-128.72    MVP         (ID: g1p73y)
9/10/15    Fat Belly   120.32-45.6     Patriots    (ID: g1p73z)
9/10/15    New Black   100.3-70.48     Cee Lo      (ID: g1p740)
9/17/15    Beige       55.9-53.8       New Black   (ID: g1p741)
9/17/15    Fat Belly   116.68-66.5     MVP         (ID: g1p742)
9/17/15    Patriots    100.18-66.96    Cee Lo      (ID: g1p743)
9/24/15    Beige       84.44-112.72    Patriots    (ID: g1p744)
9/24/15    Cee Lo      76.84-122.92    Fat Belly   (ID: g1p755)
9/24/15    MVP         110.24-86.9     New Black   (ID: g1p745)
10/1/15    Beige       76.68-41.98     Fat Belly   (ID: g1p746)
10/1/15    Cee Lo      48.1-63.3       MVP         (ID: g1p747)
10/1/15    New Black   95.16-30.52     Patriots    (ID: g1p748)
10/8/15    Beige       107.24-100.88   Cee Lo      (ID: g1p749)
10/8/15    Fat Belly   66.08-38.9      New Black   (ID: g1p74a)
10/8/15    MVP         81.02-115.04    Patriots    (ID: g1p74b)
10/15/15   Beige       102.44-142.6    MVP         (ID: g1p74c)
10/15/15   Cee Lo      92.6-71.28      New Black   (ID: g1p74d)
10/15/15   Patriots    113.68-90.16    Fat Belly   (ID: g1p74e)
10/22/15   Beige       111.6-50.7      New Black   (ID: g1p74f)
10/22/15   Cee Lo      119.68-46.38    Patriots    (ID: g1p74g)
10/22/15   MVP         66.64-47.24     Fat Belly   (ID: g1p74h)
10/29/15   Beige       91.96-105.7     Patriots    (ID: g1p74i)
10/29/15   Fat Belly   54.68-61.88     Cee Lo      (ID: g1p74j)
10/29/15   New Black   138.8-90.58     MVP         (ID: g1p74k)
11/5/15    Beige       82.3-141.16     Fat Belly   (ID: g1p74m)
11/5/15    MVP         87.98-61        Cee Lo      (ID: g1p74n)
11/5/15    Patriots    105.82-98.88    New Black   (ID: g1p74p)
11/12/15   Beige       111.32-85.04    Cee Lo      (ID: g1p74q)
11/12/15   New Black   64.28-120.22    Fat Belly   (ID: g1p74r)
11/12/15   Patriots    72.48-52.78     MVP         (ID: g1p756)
11/19/15   Beige       101.88-106.74   MVP         (ID: g1p74t)
11/19/15   Fat Belly   94.98-83.68     Patriots    (ID: g1p74u)
11/19/15   New Black   61.7-56.48      Cee Lo      (ID: g1p74v)
11/26/15   Beige       77.54-91.02     New Black   (ID: g1p74w)
11/26/15   Fat Belly   73.06-94.82     MVP         (ID: g1p74x)
11/26/15   Patriots    75.92-35.4      Cee Lo      (ID: g1p74y)
12/3/15    Beige       127.24-106.6    Patriots    (ID: g1p74z)
12/3/15    Cee Lo      79.44-119.96    Fat Belly   (ID: g1p750)
12/3/15    MVP         131.14-66.58    New Black   (ID: g1p751)
12/10/15   Beige                       Fat Belly   (ID: g1p752)
12/10/15   Cee Lo                      MVP         (ID: g1p753)
12/10/15   New Black                   Patriots    (ID: g1p754)
GamesEnd