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:     Austin JCC 2019-20      (Austin JCC 2019) (ID: 1a1ma) (Sort: League) (Playoffs: 1)
    Division: Swag                                      (ID: d14qt) (Sort: Division) (Playoffs: 8)
      Team:   The "Knee" Replacements ("Knee" Replacem) (ID: t1yjr)
      Team:   Free Agent Two                            (ID: t1yma)
      Team:   Kolby Brian Fan Club    (Kolby Brian Fan) (ID: t1yjt)
      Team:   Matzo Ball                                (ID: t1yju)
      Team:   Mid Range Game                            (ID: t1yjv)
      Team:   Shooters Shoot                            (ID: t1yjw)
      Team:   Team Endeavor                             (ID: t1yjx)
      Team:   Team Kiely                                (ID: t1yjy)
      Team:   Team Trees                                (ID: t1yjz)
  Kind: pro
  Sport: football
  Gender: coed
  Country: USA
  State: Texas
  Level: A
  Season: 2000 (current: True)
  Author: Bro
  Note: 
  LotteryNote: 
LeagueEnd

SortBegin
League: (side) Least PositionInParent, Seed [(1-8) Playoff][(9-End) Least
PositionInParent]
Division: Average Points, DrawLots
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:  3.326
  WhatDoYouCallATie:  tie
  WhatDoYouCallLottery:  lottery
  WhatDoYouCallPromoted:  Playoffs
  Promote:  8
  PromotePlus:  0
  PromotePlusPercent:  0
  WhatDoYouCallDemoted:  Last Place
  Demote:  1
  DemotePlus:  0
  DemotePlusPercent:  0
RulesEnd

GamesBegin
TeamListedFirst: home
10/29/19   6:30 PM   Kolby Brian Fan   20-60   Matzo Ball        (ID: g1106jb)
10/29/19   7:20 PM   Shooters Shoot    68-31   Team Kiely        (ID: g1106jc)
10/29/19   8:10 PM   Free Agent Two    34-55   Team Trees        (ID: g1107wm)
10/29/19   9:00 PM   "Knee" Replacem   29-63   Mid Range Game    (ID: g1106je)
11/5/19    6:30 PM   Team Trees        66-67   Mid Range Game    (ID: g1106jf)
11/5/19    7:20 PM   Team Endeavor     48-45   Kolby Brian Fan   (ID: g1106jg)
11/5/19    8:10 PM   Matzo Ball        42-48   Free Agent Two    (ID: g1107wn)
11/5/19    9:00 PM   "Knee" Replacem   48-59   Shooters Shoot    (ID: g1106ji)
11/12/19   6:30 PM   Team Kiely        50-47   Team Endeavor     (ID: g1106jj)
11/12/19   7:20 PM   Free Agent Two    41-28   Kolby Brian Fan   (ID: g1107wp)
11/12/19   8:10 PM   Shooters Shoot    78-51   Team Trees        (ID: g1106jm)
11/12/19   9:00 PM   Mid Range Game    35-60   Matzo Ball        (ID: g1106jn)
11/19/19   6:30 PM   Kolby Brian Fan   36-73   Mid Range Game    (ID: g1106jp)
11/19/19   7:20 PM   Team Kiely        63-35   "Knee" Replacem   (ID: g1106jq)
11/19/19   8:10 PM   Matzo Ball        49-56   Shooters Shoot    (ID: g1106jr)
11/19/19   9:00 PM   Team Endeavor     53-37   Free Agent Two    (ID: g1107wq)
11/26/19   6:30 PM   Team Trees        53-97   Team Kiely        (ID: g1106jt)
11/26/19   7:20 PM   Mid Range Game    86-76   Free Agent Two    (ID: g1107wr)
11/26/19   8:10 PM   "Knee" Replacem   44-46   Team Endeavor     (ID: g1106jv)
11/26/19   9:00 PM   Shooters Shoot    64-37   Kolby Brian Fan   (ID: g1106jw)
12/3/19    6:30 PM   Free Agent Two    35-57   Shooters Shoot    (ID: g1107ws)
12/3/19    7:20 PM   Team Trees        70-52   "Knee" Replacem   (ID: g1106jy)
12/3/19    8:10 PM   Team Endeavor     63-69   Mid Range Game    (ID: g1106jz)
12/3/19    9:00 PM   Team Kiely        71-44   Matzo Ball        (ID: g1106k0)
12/10/19   6:30 PM   Matzo Ball        60-53   "Knee" Replacem   (ID: g1106k1)
12/10/19   7:20 PM   Mid Range Game    44-65   Shooters Shoot    (ID: g1106k2)
12/10/19   8:10 PM   Kolby Brian Fan   39-59   Team Kiely        (ID: g1106k3)
12/10/19   9:00 PM   Team Endeavor     78-65   Team Trees        (ID: g1106k4)
12/17/19   6:30 PM   Shooters Shoot            Team Endeavor     (ID: g1106k5)
12/17/19   7:20 PM   Team Trees                Matzo Ball        (ID: g1106k6)
12/17/19   8:10 PM   "Knee" Replacem   45-37   Kolby Brian Fan   (ID: g1106k7)
12/17/19   9:00 PM   Team Kiely                Free Agent Two    (ID: g1107wt)
1/7/20     6:30 PM   Free Agent Two            "Knee" Replacem   (ID: g1107wu)
1/7/20     7:20 PM   Matzo Ball                Team Endeavor     (ID: g1106ka)
1/7/20     8:10 PM   Mid Range Game            Team Kiely        (ID: g1106kb)
1/7/20     9:00 PM   Kolby Brian Fan           Team Trees        (ID: g1106kc)
GamesEnd