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: OFC Champions League   Div: Group A (Playoffs: 1) (Sort: Div)      (ID: 1a109) (Sort: Lottery) (Playoffs: 4)
    Team: Amicale F.C.                                      (Amicale)        (ID: t1gfy)
    Team: Auckland City F.C.                                (Auckland City)  (ID: t1gfz)
    Team: Ba F.C.                                           (Ba)             (ID: t1gg0)
    Team: Gaïtcha FCN                                       (Gaïtcha)        (ID: t1gg1)
    Team: PRK Hekari United                                 (Hekari United)  (ID: t1gg2)
    Team: A.S. Pirae                                        (Pirae)          (ID: t1gg3)
    Team: Lupe ole Soaga Div: Group B (Playoffs: 1)         (Sort: Div)      (ID: t1gg4)
    Team: Suva F.C. (Suva) Div: Group C (Playoffs: 1)       (Sort: Div)      (ID: t1gg5)
    Team: Tafea F.C.                                        (Tafea)          (ID: t1gg6)
    Team: Team Wellington                                                    (ID: t1gg7)
    Team: A.S. Tefana                                       (Tefana)         (ID: t1gg8)
    Team: Western United F.C.                               (Western United) (ID: t1gg9)
  Kind: fantasy
  Sport: soccer
  Gender: male
  Country: Fiji
  State: 
  Level: A
  Season: 2014-2015 (current: True)
  Author: Johkey3
  Note: 
  LotteryNote: 
LeagueEnd

SortBegin
Lottery: Points, Average GoalsDelta, Average GoalsFor, Average Points
HeadToHead, DrawLots
Div: Points, Average GoalsDelta, Average GoalsFor, Average Points
HeadToHead, DrawLots
SortEnd

RulesBegin
  PointsForWinInRegulation:  3
  PointsForWinInOvertime:  3
  PointsForWinInShootout:  3
  PointsForLossInRegulation:  0
  PointsForLossInOvertime:  0
  PointsForLossInShootout:  0
  PointsForTie:  1
  PercentOfGamesThatEndInTie:  0.1888888889
  PercentOfGamesThatEndInOvertimeWin:  0
  PercentOfGamesThatEndInShootoutWin:  0
  HomeFieldAdvantage:  0.6355932203
  WeightType:  Pythagorean
  WeightExponent:  1.7
  WhatDoYouCallATie:  draw
  WhatDoYouCallLottery:  lottery
  WhatDoYouCallPromoted:  Playoffs
  Promote:  4
  PromotePlus:  0
  PromotePlusPercent:  0
  WhatDoYouCallDemoted:  relegated
  Demote:  0
  DemotePlus:  0
  DemotePlusPercent:  0
RulesEnd

GamesBegin
TeamListedFirst: home
4/11/15   4:30 PM   Pirae             4-11   Auckland City     (ID: g1kqs1) (Neutral)
4/11/15   7:00 PM   Ba                       Gaïtcha           (ID: g1kqs2)
4/11/15   7:00 PM   Western United           Amicale           (ID: g1kqs3) (Neutral)
4/12/15   4:30 PM   Tafea                    Hekari United     (ID: g1kqs4) (Neutral)
4/12/15   7:00 PM   Team Wellington   4-14   Tefana            (ID: g1kqs5) (Neutral)
4/14/15   4:30 PM   Auckland City            Western United    (ID: g1kqs6) (Neutral)
4/14/15   7:00 PM   Gaïtcha           4-14   Pirae             (ID: g1kqs7) (Neutral)
4/15/15   4:30 PM   Hekari United            Team Wellington   (ID: g1kqs8) (Neutral)
4/15/15   7:00 PM   Tefana                   Tafea             (ID: g1kqs9) (Neutral)
4/17/15   4:30 PM   Tefana                   Hekari United     (ID: g1kqsa) (Neutral)
4/17/15   7:00 PM   Tafea                    Team Wellington   (ID: g1kqsb) (Neutral)
4/18/15   4:30 PM   Gaïtcha           4-18   Western United    (ID: g1kqsc) (Neutral)
4/18/15   7:00 PM   Amicale                  Auckland City     (ID: g1kqsd) (Neutral)
4/18/15   7:00 PM   Ba                       Pirae             (ID: g1kqse)
GamesEnd