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:       SEC 2014 Football2 (SEC2) (ID: 1avt) (Sort: Div)
    Conference: SEC East                  (ID: d12mk) (Sort: Div) (Playoffs: 6)
      Team:     CW                        (ID: t1h5k)
      Team:     EL                        (ID: t1h5m)
      Team:     Fnatic                    (ID: t1h5w) (StartPoints: 16)
      Team:     GIA                       (ID: t1h5p)
      Team:     GMB                       (ID: t1h5q)
      Team:     H2K                       (ID: t1h5r)
      Team:     Origen                    (ID: t1h5s)
      Team:     ROC                       (ID: t1h5t)
      Team:     SK                        (ID: t1h5u)
      Team:     UOL                       (ID: t1h5v)
  Kind: pro
  Sport: football
  Gender: male
  Country: USA
  State: FL
  Level: A
  Season: 2014-2015 (current: True)
  Author: J. Smith
  Note: None.
  LotteryNote: 
LeagueEnd

SortBegin
Div: Points, Wins HeadToHead, DrawLots
SortEnd

RulesBegin
  PointsForWinInRegulation:  1
  PointsForWinInOvertime:  1
  PointsForWinInShootout:  1
  PointsForLossInRegulation:  0
  PointsForLossInOvertime:  0
  PointsForLossInShootout:  0
  PointsForTie:  0.5
  PercentOfGamesThatEndInTie:  0
  PercentOfGamesThatEndInOvertimeWin:  0
  PercentOfGamesThatEndInShootoutWin:  0
  HomeFieldAdvantage:  0.5
  WeightType:  Pythagorean
  WeightExponent:  2
  WhatDoYouCallATie:  tie
  WhatDoYouCallLottery:  lottery
  WhatDoYouCallPromoted:  Top 4
  Promote:  7
  PromotePlus:  0
  PromotePlusPercent:  0
  WhatDoYouCallDemoted:  AutoRelegation
  Demote:  1
  DemotePlus:  0
  DemotePlusPercent:  0
RulesEnd

GamesBegin
TeamListedFirst: away
4/1/15    Fnatic   100-0   CW       (ID: g1mc8c)
4/1/15    UOL      10-9    EL       (ID: g1mc82)
4/1/15    EL       10-9    GMB      (ID: g1mc83)
4/1/15    Origen   10-9    H2K      (ID: g1mc86)
4/1/15    EL       10-9    ROC      (ID: g1mc84)
4/1/15    EL       10-9    SK       (ID: g1mc85)
4/1/15    GIA      10-9    SK       (ID: g1mc87)
4/1/15    GMB      10-9    SK       (ID: g1mc88)
4/1/15    GIA      10-9    UOL      (ID: g1mc89)
4/1/15    GMB      9-10    UOL      (ID: g1mc8a)
4/1/15    H2K      10-9    UOL      (ID: g1mc8b)
8/28/15   GIA              CW       (ID: g1mc7s)
8/28/15   ROC              CW       (ID: g1mc7t)
8/28/15   GMB              EL       (ID: g1mc7u)
8/28/15   UOL              Fnatic   (ID: g1mc80)
8/28/15   UOL              GIA      (ID: g1mc7v)
8/28/15   GMB              H2K      (ID: g1mc7w)
8/28/15   H2K              Origen   (ID: g1mc7z)
8/28/15   ROC              Origen   (ID: g1mc7x)
8/28/15   EL               SK       (ID: g1mc7y)
8/28/15   Fnatic           SK       (ID: g1mc81)
GamesEnd