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:       Suffolk Men’s Varsity Football     (SMVF)            (ID: 1a1tx) (Sort: Lottery)
    Conference: Division IV                                            (ID: d14nk) (Sort: Conf) (Playoffs: 8)
      Team:     Babylon Panthers                     (Babylon)         (ID: t1smr)
      Team:     Bayport-Blue Point Phantoms          (BBP)             (ID: t1sms)
      Team:     Center Moriches Red Devils           (Center Moriches) (ID: t1smt)
      Team:     East Hampton Bonackers               (East Hampton)    (ID: t1vi5)
      Team:     Glenn Knights                        (Glenn)           (ID: t1smu)
      Team:     Greenport-Southold-Mattituck Porters (GSM)             (ID: t1smv)
      Team:     Hampton Bays Baymen                  (Hampton Bays)    (ID: t1smw)
      Team:     Mt. Sinai Mustangs                   (Mt. Sinai)       (ID: t1smz)
      Team:     Port Jefferson Royals                (Port Jefferson)  (ID: t1sn0)
      Team:     Southampton Mariners                 (Southampton)     (ID: t1sn1)
      Team:     Shoreham-Wading River Wildcats       (SWR)             (ID: t1sn2)
      Team:     Wyandanch Warriors                   (Wyandanch)       (ID: t1sn3)
  Kind: rec
  Sport: football
  Gender: male
  Country: USA
  State: 
  Level: A
  Season: 2018 (current: True)
  Author: Luke Millner
  Note: 
  LotteryNote: 
LeagueEnd

SortBegin
Conf:
 Points,
 IfSomeTiesBrokenReturnHereIf2,
 Points HeadToHead,
 Points SameParent,
 Points CommonOpponent,
 Points SameGrandParent,
 Average Points Opponent Won,
 Points Opponent,
 NFLCombinedRankingsConference,
 NFLCombinedRankings,
 GoalsDelta CommonOpponent,
 GoalsDelta,
 FairPlay,
 DrawLots

Lottery: 
MoveClinchedToFrontBySeed, 
Points, 
Average Points HeadToHead, 
GoalsDelta,
 DrawLots
SortEnd

RulesBegin
  PointsForWinInRegulation:  1
  PointsForWinInOvertime:  1
  PointsForWinInShootout:  1
  PointsForLossInRegulation:  0
  PointsForLossInOvertime:  0
  PointsForLossInShootout:  0
  PointsForTie:  0.5
  PercentOfGamesThatEndInTie:  0.0004
  PercentOfGamesThatEndInOvertimeWin:  0
  PercentOfGamesThatEndInShootoutWin:  0
  HomeFieldAdvantage:  0.56
  WeightType:  Pythagenpat
  WeightExponent:  0.27
  WhatDoYouCallATie:  tie
  WhatDoYouCallLottery:  lottery
  WhatDoYouCallPromoted:  promoted
  Promote:  0
  PromotePlus:  0
  PromotePlusPercent:  0
  WhatDoYouCallDemoted:  relegated
  Demote:  0
  DemotePlus:  0
  DemotePlusPercent:  0
RulesEnd

GamesBegin
TeamListedFirst: home
9/7/18     Babylon              Port Jefferson    (ID: g1xgbu)
9/7/18     Center Moriches      Glenn             (ID: g1xgbv)
9/7/18     Hampton Bays         East Hampton      (ID: g1xgbw)
9/7/18     Southampton          SWR               (ID: g1xgbx)
9/8/18     BBP                  Mt. Sinai         (ID: g1xgby)
9/8/18     Wyandanch            GSM               (ID: g1xgbz)
9/14/18    BBP                  East Hampton      (ID: g1xgc0)
9/14/18    GSM                  Center Moriches   (ID: g1xgc1)
9/14/18    Hampton Bays         Southampton       (ID: g1xgc2)
9/14/18    SWR                  Mt. Sinai         (ID: g1xgc3)
9/15/18    Glenn                Babylon           (ID: g1xgc4)
9/15/18    Port Jefferson       Wyandanch         (ID: g1xgc5)
9/21/18    Center Moriches      SWR               (ID: g1xgc6)
9/21/18    GSM                  Hampton Bays      (ID: g1xgc7)
9/21/18    Mt. Sinai            Port Jefferson    (ID: g1xgc8)
9/21/18    Southampton          Glenn             (ID: g1xgc9)
9/22/18    BBP                  Babylon           (ID: g1xgca)
9/22/18    East Hampton         Wyandanch         (ID: g1xgcb)
9/28/18    Babylon              Mt. Sinai         (ID: g1xgcc)
9/28/18    GSM                  Southampton       (ID: g1xgcd)
9/28/18    SWR                  Glenn             (ID: g1xgce)
9/29/18    Center Moriches      Hampton Bays      (ID: g1xgcf)
9/29/18    Port Jefferson       East Hampton      (ID: g1xgcg)
9/29/18    Wyandanch            BBP               (ID: g1xgch)
10/5/18    Southampton          Center Moriches   (ID: g1xgci)
10/6/18    East Hampton         Mt. Sinai         (ID: g1xgcj)
10/6/18    Glenn                GSM               (ID: g1xgck)
10/6/18    Port Jefferson       BBP               (ID: g1xgcm)
10/6/18    SWR                  Hampton Bays      (ID: g1xgcn)
10/6/18    Wyandanch            Babylon           (ID: g1xgcp)
10/12/18   Babylon              SWR               (ID: g1xgcq)
10/12/18   Hampton Bays         Port Jefferson    (ID: g1xgcr)
10/13/18   East Hampton         GSM               (ID: g1xgcs)
10/13/18   Glenn                BBP               (ID: g1xgct)
10/13/18   Mt. Sinai            Center Moriches   (ID: g1xgcu)
10/13/18   Wyandanch            Southampton       (ID: g1xgcv)
10/19/18   Center Moriches      East Hampton      (ID: g1xgcw)
10/19/18   Hampton Bays         Wyandanch         (ID: g1xgcx)
10/19/18   Mt. Sinai            Glenn             (ID: g1xgcy)
10/19/18   Southampton          Babylon           (ID: g1xgcz)
10/20/18   BBP                  GSM               (ID: g1xgd0)
10/20/18   Port Jefferson       SWR               (ID: g1xgd1)
10/26/18   GSM                  Port Jefferson    (ID: g1xgd2)
10/26/18   Mt. Sinai            Wyandanch         (ID: g1xgd3)
10/26/18   SWR                  BBP               (ID: g1xgd4)
10/27/18   Babylon              Center Moriches   (ID: g1xgd5)
10/27/18   East Hampton         Southampton       (ID: g1xgd6)
10/27/18   Glenn                Hampton Bays      (ID: g1xgd7)
GamesEnd