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:       New England Senior Hockey League - Navin (NESHL-Navin)             (ID: 1a1jf) (Sort: Lottery)
    Conference: C                                                                  (ID: d14rd) (Sort: Conf) (Playoffs: 4)
      Team:     Anger Management                         (AngerManagement)         (ID: t1vb5)
      Team:     Blackstone Valley Bravest                (BlackstoneValleyBravest) (ID: t1x82)
      Team:     Blades of Steel                          (BladesofSteel)           (ID: t1x83)
      Team:     Old Boys                                 (OldBoys)                 (ID: t1rke)
  Kind: rec
  Sport: hockey
  Gender: coed
  Country: USA
  State: MA
  Level: Adult
  Season: Summer2019Playoff (current: True)
  Author: Jason Breslau
  Note: 
  LotteryNote: 
LeagueEnd

SortBegin
Div:     Points, Average Points HeadToHead, Least GoalsAgainst, Wins, Least Losses, GoalsFor, GoalsDelta
Conf:    Points, Average Points HeadToHead, Least GoalsAgainst, Wins, Least Losses, GoalsFor, GoalsDelta
Lottery: Points, Average Points HeadToHead, DrawLots
SortEnd

RulesBegin
  PointsForWinInRegulation:  2
  PointsForWinInOvertime:  2
  PointsForWinInShootout:  2
  PointsForLossInRegulation:  0
  PointsForLossInOvertime:  1
  PointsForLossInShootout:  1
  PointsForTie:  1
  PercentOfGamesThatEndInTie:  0.1
  PercentOfGamesThatEndInOvertimeWin:  0
  PercentOfGamesThatEndInShootoutWin:  0
  HomeFieldAdvantage:  0.5
  WeightType:  PythagenpatIgnoreShootOutWinningGoals
  WeightExponent:  0.458
  WhatDoYouCallATie:  tie
  WhatDoYouCallLottery:  lottery
  WhatDoYouCallPromoted:  Chowder Cup
  Promote:  1
  PromotePlus:  0
  PromotePlusPercent:  0
  WhatDoYouCallDemoted:  relegated
  Demote:  0
  DemotePlus:  0
  DemotePlusPercent:  0
RulesEnd

GamesBegin
TeamListedFirst: home
8/14/20   AngerManagement   3-4   BlackstoneValleyBravest   (ID: g1zgcs)
8/14/20   OldBoys           5-3   BladesofSteel             (ID: g1zgct)
8/21/20   OldBoys           0-1   BlackstoneValleyBravest   (ID: g1zhxp)
GamesEnd