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: SQC-Ninkasi Futsal Mixte (Futsal-M) (ID: 1a1e7) (Sort: Tag) (Playoffs: 4)
    Team: Don de Dieu                         (ID: t116q)
    Team: Dream Team                          (ID: t116u)
    Team: Dynamo                              (ID: t116x)
    Team: eddyfi                              (ID: t116t)
    Team: Kaloskgathos                        (ID: t186)
    Team: La Ninkasi                          (ID: t116d)
    Team: Les Bucherons                       (ID: t116c)
    Team: Mambazoo TD                         (ID: t116y)
    Team: Mammouth                            (ID: t116f)
    Team: Saint-Sauveur F.C.                  (ID: t116r)
  Kind: rec
  Sport: indoor soccer
  Gender: coed
  Country: Canada
  State: QC
  Level: A
  Season: 2016-2017Series (current: True)
  Author: Karl Gierlinger
  Note: 
  LotteryNote: 
LeagueEnd

SortBegin
Tag:Points, Average Points HeadToHead, Wins, GoalsDelta Headtohead, Least GoalsAgainst, GoalsDelta
SortEnd

RulesBegin
  PointsForWinInRegulation:  3
  PointsForWinInOvertime:  3
  PointsForWinInShootout:  3
  PointsForLossInRegulation:  0
  PointsForLossInOvertime:  0
  PointsForLossInShootout:  0
  PointsForTie:  1
  PercentOfGamesThatEndInTie:  0.055
  PercentOfGamesThatEndInOvertimeWin:  0
  PercentOfGamesThatEndInShootoutWin:  0
  HomeFieldAdvantage:  0.5
  WeightType:  PercentOfPointsWon
  WeightExponent:  1
  WhatDoYouCallATie:  tie
  WhatDoYouCallLottery:  lottery
  WhatDoYouCallPromoted:  promoted
  Promote:  0
  PromotePlus:  0
  PromotePlusPercent:  0
  WhatDoYouCallDemoted:  relegated
  Demote:  0
  DemotePlus:  0
  DemotePlusPercent:  0
RulesEnd

GamesBegin
TeamListedFirst: away
3/1/17    Kaloskgathos            Don de Dieu          (ID: g1t2xm)
3/1/17    Dream Team              Dynamo               (ID: g1t2xn)
3/1/17    Les Bucherons           eddyfi               (ID: g1t2y7)
3/1/17    Mambazoo TD             La Ninkasi           (ID: g1t2xp)
3/1/17    Saint-Sauveur F.C.      Mammouth             (ID: g1t2xq)
3/8/17    eddyfi                  Dream Team           (ID: g1t2xr)
3/8/17    Saint-Sauveur F.C.      Kaloskgathos         (ID: g1t2xs)
3/8/17    La Ninkasi              Les Bucherons        (ID: g1t2y8)
3/8/17    Don de Dieu             Mambazoo TD          (ID: g1t2xt)
3/8/17    Dynamo                  Mammouth             (ID: g1t2xu)
3/15/17   Les Bucherons           Don de Dieu          (ID: g1t2y9)
3/15/17   Kaloskgathos            Dynamo               (ID: g1t2xv)
3/15/17   Mammouth                eddyfi               (ID: g1t2xw)
3/15/17   Dream Team              La Ninkasi           (ID: g1t2xx)
3/15/17   Mambazoo TD             Saint-Sauveur F.C.   (ID: g1t2xy)
3/22/17   Don de Dieu             Dream Team           (ID: g1t2xz)
3/22/17   Kaloskgathos            eddyfi               (ID: g1t2y0)
3/22/17   Saint-Sauveur F.C.      Les Bucherons        (ID: g1t2ya)
3/22/17   Dynamo                  Mambazoo TD          (ID: g1t2y1)
3/22/17   La Ninkasi              Mammouth             (ID: g1t2y2)
3/29/17   Mammouth                Don de Dieu          (ID: g1t2y3)
3/29/17   Saint-Sauveur F.C.      Dream Team           (ID: g1t2y4)
3/29/17   Les Bucherons           Dynamo               (ID: g1t2yb)
3/29/17   Mambazoo TD             eddyfi               (ID: g1t2y5)
3/29/17   Kaloskgathos            La Ninkasi           (ID: g1t2y6)
GamesEnd