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:     JCC Winter 2018  (JCCW18)  (ID: 1a1mz) (Sort: League) (Playoffs: 1)
    Division: Winter 18                  (ID: d151t) (Sort: Division) (Playoffs: 4)
      Team:   Austin Tropics             (ID: t1uf8)
      Team:   En Fuego                   (ID: t1uf9)
      Team:   Free Ballin                (ID: t1ufa)
      Team:   Injured Reserves           (ID: t1ufb)
      Team:   The Knights      (Knights) (ID: t1ufc)
      Team:   Migos                      (ID: t1ufd)
      Team:   Size Matters               (ID: t1ufe)
      Team:   Tall Boys                  (ID: t1uff)
      Team:   Used To Be Good            (ID: t1ufg)
  Kind: pro
  Sport: basketball
  Gender: coed
  Country: USA
  State: Texas
  Level: 1A
  Season: 2007 (current: False)
  Author: Bro
  Note: 
  LotteryNote: 
LeagueEnd

SortBegin
Division: Average Points, Average HeadToHead Points, Average GoalsFor,
DrawLots
League: (side) Least PositionInParent, Seed [(1-8) Playoff][(9-End) Least
PositionInParent]
SortEnd

RulesBegin
  PointsForWinInRegulation:  2
  PointsForWinInOvertime:  2
  PointsForWinInShootout:  2
  PointsForLossInRegulation:  0
  PointsForLossInOvertime:  0
  PointsForLossInShootout:  0
  PointsForTie:  1
  PercentOfGamesThatEndInTie:  0
  PercentOfGamesThatEndInOvertimeWin:  0
  PercentOfGamesThatEndInShootoutWin:  0
  HomeFieldAdvantage:  0.5
  WeightType:  Pythagorean
  WeightExponent:  4.272
  WhatDoYouCallATie:  tie
  WhatDoYouCallLottery:  lottery
  WhatDoYouCallPromoted:  Playoffs
  Promote:  8
  PromotePlus:  0
  PromotePlusPercent:  0
  WhatDoYouCallDemoted:  Bottom Half
  Demote:  5
  DemotePlus:  0
  DemotePlusPercent:  0
RulesEnd

GamesBegin
TeamListedFirst: home
1/23/18   Austin Tropics     66-41    En Fuego           (ID: g1wdhd)
1/23/18   Size Matters       45-32    Migos              (ID: g1wdhe)
1/23/18   Tall Boys          84-87    Free Ballin        (ID: g1wdhf)
1/23/18   Used To Be Good    69-76    Injured Reserves   (ID: g1wdhg)
1/30/18   Free Ballin        62-65    Used To Be Good    (ID: g1wdhh)
1/30/18   Injured Reserves   52-46    Size Matters       (ID: g1wdhi)
1/30/18   Knights            45-67    Austin Tropics     (ID: g1wdhj)
1/30/18   Migos              72-40    En Fuego           (ID: g1wdhk)
2/6/18    Austin Tropics     52-90    Migos              (ID: g1wdhm)
2/6/18    En Fuego           48-91    Injured Reserves   (ID: g1wdhn)
2/6/18    Knights            60-82    Tall Boys          (ID: g1wdhp)
2/6/18    Size Matters       50-35    Free Ballin        (ID: g1wdhq)
2/13/18   Free Ballin        90-68    En Fuego           (ID: g1wdhr)
2/13/18   Injured Reserves   88-54    Migos              (ID: g1wdhs)
2/13/18   Tall Boys          78-52    Austin Tropics     (ID: g1wdht)
2/13/18   Used To Be Good    71-62    Knights            (ID: g1wdhu)
2/20/18   Austin Tropics     65-85    Injured Reserves   (ID: g1wdhv)
2/20/18   Knights            61-67    Size Matters       (ID: g1wdhw)
2/20/18   Migos              65-35    Free Ballin        (ID: g1wdhx)
2/20/18   Used To Be Good    75-81    Tall Boys          (ID: g1wdhy)
2/27/18   Austin Tropics     56-66    Used To Be Good    (ID: g1wdhz)
2/27/18   En Fuego           62-75    Knights            (ID: g1wdi0)
2/27/18   Injured Reserves   57-56    Free Ballin        (ID: g1wdi1)
2/27/18   Size Matters       73-79    Tall Boys          (ID: g1wdi2)
3/6/18    Free Ballin        58-49    Austin Tropics     (ID: g1wdi3)
3/6/18    Knights            56-68    Migos              (ID: g1wdi4)
3/6/18    Tall Boys          120-71   En Fuego           (ID: g1wdi5)
3/6/18    Used To Be Good    49-47    Size Matters       (ID: g1wdi6)
3/13/18   En Fuego           42-81    Used To Be Good    (ID: g1wdi7)
3/13/18   Injured Reserves   73-60    Knights            (ID: g1wdi8)
3/13/18   Migos              72-74    Tall Boys          (ID: g1wdi9)
3/13/18   Size Matters       78-52    Austin Tropics     (ID: g1wdia)
3/20/18   En Fuego           54-78    Size Matters       (ID: g1wdib)
3/20/18   Free Ballin        75-58    Knights            (ID: g1wdic)
3/20/18   Migos              58-48    Used To Be Good    (ID: g1wdid)
3/20/18   Tall Boys          73-66    Injured Reserves   (ID: g1wdie)
GamesEnd