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: National Premier Soccer League Midwest Division (NPSL Midwest)    (ID: 1a86) (Sort: Div) (Playoffs: 1)
    Team: Chicago Fire NPSL                               (Chicago Fire NP) (ID: t14fn)
    Team: Eau Claire Aris FC                              (Eau Claire Aris) (ID: t14fp)
    Team: Madison 56ers                                                     (ID: t14fq)
    Team: Milwaukee Bavarians                             (Milwaukee Bavar) (ID: t14fr)
    Team: Minnesota Kings FC                              (Minnesota Kings) (ID: t14fs)
    Team: Quad City Eagles                                (Quad City Eagle) (ID: t14ft)
    Team: St. Paul Twin Stars                             (St. Paul Twin S) (ID: t14fu)
  Kind: rec
  Sport: soccer
  Gender: male
  Country: USA
  State: 
  Level: D
  Season: 2011 (current: True)
  Author: Eric Anderson
  Note: Email corrections to eanderson@wisconsinsoccercentral.com
  LotteryNote: 
LeagueEnd

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

RulesBegin
  PointsForWinInRegulation:  3
  PointsForWinInOvertime:  3
  PointsForWinInShootout:  3
  PointsForLossInRegulation:  0
  PointsForLossInOvertime:  0
  PointsForLossInShootout:  0
  PointsForTie:  1
  PercentOfGamesThatEndInTie:  0.258
  PercentOfGamesThatEndInOvertimeWin:  0
  PercentOfGamesThatEndInShootoutWin:  0
  HomeFieldAdvantage:  0.66
  WeightType:  Pythagorean
  WeightExponent:  1.4
  WhatDoYouCallATie:  draw
  WhatDoYouCallLottery:  lottery
  WhatDoYouCallPromoted:  promoted
  Promote:  0
  PromotePlus:  0
  PromotePlusPercent:  0
  WhatDoYouCallDemoted:  relegated
  Demote:  0
  DemotePlus:  0
  DemotePlusPercent:  0
RulesEnd

GamesBegin
TeamListedFirst: home
5/14/11   Eau Claire Aris      St. Paul Twin S   (ID: g173ur)
5/14/11   Madison 56ers        Quad City Eagle   (ID: g173us)
5/15/11   Milwaukee Bavar      Quad City Eagle   (ID: g173ut)
5/21/11   Minnesota Kings      Madison 56ers     (ID: g173uu)
5/21/11   Quad City Eagle      Chicago Fire NP   (ID: g173uv)
5/21/11   St. Paul Twin S      Milwaukee Bavar   (ID: g173uw)
5/22/11   Minnesota Kings      Milwaukee Bavar   (ID: g173ux)
5/22/11   St. Paul Twin S      Madison 56ers     (ID: g173uy)
5/27/11   Eau Claire Aris      Minnesota Kings   (ID: g173uz)
5/28/11   Eau Claire Aris      Quad City Eagle   (ID: g173v0)
5/28/11   Madison 56ers        Chicago Fire NP   (ID: g173v1)
6/4/11    Chicago Fire NP      Milwaukee Bavar   (ID: g173v2)
6/4/11    Eau Claire Aris      Madison 56ers     (ID: g173v3)
6/4/11    Minnesota Kings      Quad City Eagle   (ID: g173v4)
6/5/11    Eau Claire Aris      Milwaukee Bavar   (ID: g173v5)
6/5/11    St. Paul Twin S      Quad City Eagle   (ID: g173v6)
6/11/11   Minnesota Kings      Eau Claire Aris   (ID: g173v7)
6/11/11   Quad City Eagle      Milwaukee Bavar   (ID: g173v8)
6/11/11   St. Paul Twin S      Chicago Fire NP   (ID: g173v9)
6/12/11   Minnesota Kings      Chicago Fire NP   (ID: g173va)
6/12/11   Quad City Eagle      Madison 56ers     (ID: g173vb)
6/12/11   St. Paul Twin S      Eau Claire Aris   (ID: g173vc)
6/15/11   Milwaukee Bavar      Chicago Fire NP   (ID: g173vd)
6/18/11   Milwaukee Bavar      Madison 56ers     (ID: g173ve)
6/18/11   Minnesota Kings      St. Paul Twin S   (ID: g173vf)
6/25/11   Eau Claire Aris      Chicago Fire NP   (ID: g173vg)
6/25/11   Madison 56ers        St. Paul Twin S   (ID: g173vh)
6/25/11   Milwaukee Bavar      Minnesota Kings   (ID: g173vi)
6/26/11   Chicago Fire NP      Quad City Eagle   (ID: g173vj)
6/26/11   Madison 56ers        Minnesota Kings   (ID: g173vk)
6/26/11   Milwaukee Bavar      St. Paul Twin S   (ID: g173vm)
7/2/11    Madison 56ers        Eau Claire Aris   (ID: g173vn)
7/3/11    Chicago Fire NP      Madison 56ers     (ID: g173vp)
7/9/11    Chicago Fire NP      Minnesota Kings   (ID: g173vq)
7/9/11    Milwaukee Bavar      Eau Claire Aris   (ID: g173vr)
7/9/11    Quad City Eagle      St. Paul Twin S   (ID: g173vs)
7/10/11   Chicago Fire NP      St. Paul Twin S   (ID: g173vt)
7/10/11   Quad City Eagle      Minnesota Kings   (ID: g173vu)
7/16/11   Chicago Fire NP      Eau Claire Aris   (ID: g173vv)
7/16/11   Madison 56ers        Milwaukee Bavar   (ID: g173vw)
7/16/11   St. Paul Twin S      Minnesota Kings   (ID: g173vx)
7/17/11   Quad City Eagle      Eau Claire Aris   (ID: g173vy)
GamesEnd