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:     TSSA State League D2 U15 Girls Spring 2017 (TSSA State D2 U) (ID: 1a1f4) (Sort: Conf) (Playoffs: 6)
    Division: West                                                         (ID: d1484) (Sort: Div) (Playoffs: 3)
      Team:   Bluff City FC                                                (ID: t1q9d)
      Team:   Clarksville Soccer Club                    (Clarksville Soc) (ID: t1q9e)
      Team:   Lobos Elite                                                  (ID: t1q9m)
      Team:   Midsouth FC Blue                                             (ID: t1q9n)
      Team:   Nashville FC MCFY Heat                     (Nashville FC MC) (ID: t1q9p)
      Team:   TSC Elite                                                    (ID: t1q9q)
      Team:   TSC Select                                                   (ID: t1q9r)
    Division: Western                                                      (ID: d1485) (Sort: Div) (Playoffs: 3)
      Team:   FC Academy                                                   (ID: t1q9f)
      Team:   FC Alliance Red                                              (ID: t1q9g)
      Team:   FC Alliance Red II                         (FC Alliance Red) (ID: t1q9h)
      Team:   FC Dallas TRI Premier                      (FC Dallas TRI P) (ID: t1q9i)
      Team:   Knoxville SC Fiorentina                    (Knoxville SC Fi) (ID: t1q9j)
      Team:   Knoxville Soccer Academy                   (Knoxville Socce) (ID: t1q9k)
      Team:   TUSC Red                                                     (ID: t1q9s)
  Kind: rec
  Sport: soccer
  Gender: female
  Country: USA
  State: Tennessee
  Level: B
  Season: 2017 (current: True)
  Author: Arrigo
  Note: 
  LotteryNote: 
LeagueEnd

SortBegin
Div: Points, Greatest Total GoalsDelta, Wins, Least Total GoalsAgainst, Greatest
Total GoalsFor, DrawLots
Conf: Points, Greatest Total GoalsDelta, Wins, Least Total
GoalsAgainst, Greatest
Total GoalsFor, DrawLots
SortEnd

RulesBegin
  PointsForWinInRegulation:  3
  PointsForWinInOvertime:  0
  PointsForWinInShootout:  0
  PointsForLossInRegulation:  0
  PointsForLossInOvertime:  0
  PointsForLossInShootout:  0
  PointsForTie:  1
  PercentOfGamesThatEndInTie:  0.3
  PercentOfGamesThatEndInOvertimeWin:  0
  PercentOfGamesThatEndInShootoutWin:  0
  HomeFieldAdvantage:  0.5
  WeightType:  Pythagorean
  WeightExponent:  0
  WhatDoYouCallATie:  draw
  WhatDoYouCallLottery:  lottery
  WhatDoYouCallPromoted:  promoted
  Promote:  0
  PromotePlus:  0
  PromotePlusPercent:  0
  WhatDoYouCallDemoted:  relegated
  Demote:  0
  DemotePlus:  0
  DemotePlusPercent:  0
RulesEnd

GamesBegin
TeamListedFirst: home
2/25/17   TSC Elite                 TSC Select         (ID: g1skp4)
2/26/17   Bluff City FC      3-4    TSC Elite          (ID: g1skp5)
2/26/17   Clarksville Soc    3-5    Bluff City FC      (ID: g1skp6)
2/26/17   Clarksville Soc    3-4    TSC Select         (ID: g1skp7)
2/26/17   FC Alliance Red    3-11   TSC Select         (ID: g1skp8)
2/26/17   Lobos Elite        3-9    FC Alliance Red    (ID: g1skp9)
2/26/17   Midsouth FC Blue   3-11   Clarksville Soc    (ID: g1skpa)
3/25/17   Clarksville Soc           Midsouth FC Blue   (ID: g1skpb)
4/1/17    FC Academy                Knoxville Socce    (ID: g1skpc)
4/1/17    FC Alliance Red           Knoxville SC Fi    (ID: g1skpd)
4/1/17    FC Dallas TRI P           TUSC Red           (ID: g1skpe)
4/2/17    FC Academy                Knoxville SC Fi    (ID: g1skpf)
4/2/17    FC Alliance Red           FC Dallas TRI P    (ID: g1skpg)
4/2/17    FC Dallas TRI P           FC Alliance Red    (ID: g1skph)
4/2/17    Knoxville Socce           TUSC Red           (ID: g1skpi)
4/2/17    Midsouth FC Blue          Bluff City FC      (ID: g1skpj)
4/8/17    Bluff City FC             Clarksville Soc    (ID: g1skpk)
4/8/17    Knoxville Socce           Knoxville SC Fi    (ID: g1skpm)
4/9/17    Lobos Elite               Clarksville Soc    (ID: g1skpn)
4/12/17   Midsouth FC Blue          Lobos Elite        (ID: g1skpp)
4/18/17   FC Alliance Red           Knoxville SC Fi    (ID: g1skpq)
4/22/17   Knoxville SC Fi           TUSC Red           (ID: g1skpr)
4/22/17   Knoxville Socce           FC Alliance Red    (ID: g1skps)
4/22/17   Midsouth FC Blue   4-22   Clarksville Soc    (ID: g1skpt)
4/22/17   TSC Select         4-23   Lobos Elite        (ID: g1skpu)
4/29/17   Bluff City FC             TSC Elite          (ID: g1skpv)
4/29/17   TSC Select                Lobos Elite        (ID: g1skpw)
4/30/17   Knoxville SC Fi           FC Alliance Red    (ID: g1skpx)
4/30/17   Lobos Elite               TSC Elite          (ID: g1skpy)
4/30/17   TSC Select                Bluff City FC      (ID: g1skpz)
5/6/17    Knoxville SC Fi           FC Dallas TRI P    (ID: g1skq0)
5/13/17   Knoxville Socce           FC Dallas TRI P    (ID: g1skq1)
GamesEnd