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: DPC North America Lower Div (DPC NA Lower) (ID: 1a23w) (Sort: Conf) (Playoffs: 1)
    Team: Arkosh Gaming               (Arkosh)       (ID: t110jp)
    Team: Byzantine Raiders           (BR)           (ID: t110jq)
    Team: The Cut                     (Cut)          (ID: t110jr)
    Team: Team DogChamp               (DogChmp)      (ID: t110js)
    Team: Electronic Boys             (EB)           (ID: t110jt)
    Team: felt                                       (ID: t110ju)
    Team: Jiang Hu                    (JH)           (ID: t110jv)
    Team: simply TOOBASED             (sT)           (ID: t110jw)
  Kind: pro
  Sport: dota
  Gender: coed
  Country: NA
  State: 
  Level: B
  Season: 2021Season1 (current: True)
  Author: Poddo
  Note: 
  LotteryNote: 
LeagueEnd

SortBegin
Conf: Points
SortEnd

RulesBegin
  PointsForWinInRegulation:  1
  PointsForWinInOvertime:  1
  PointsForWinInShootout:  1
  PointsForLossInRegulation:  0
  PointsForLossInOvertime:  0
  PointsForLossInShootout:  0
  PointsForTie:  1
  PercentOfGamesThatEndInTie:  0
  PercentOfGamesThatEndInOvertimeWin:  0
  PercentOfGamesThatEndInShootoutWin:  0
  HomeFieldAdvantage:  0.5
  WeightType:  PercentOfPointsWon
  WeightExponent:  0
  WhatDoYouCallATie:  tie
  WhatDoYouCallLottery:  lottery
  WhatDoYouCallPromoted:  Upper Division
  Promote:  2
  PromotePlus:  0
  PromotePlusPercent:  0
  WhatDoYouCallDemoted:  demoted
  Demote:  2
  DemotePlus:  0
  DemotePlusPercent:  0
RulesEnd

GamesBegin
TeamListedFirst: home
1/18/21   sT        2-0   BR        (ID: g111n2k)
1/19/21   DogChmp   0-2   Arkosh    (ID: g111n2m)
1/20/21   Cut       2-0   EB        (ID: g111n2n)
1/23/21   JH        0-2   felt      (ID: g111n2p)
1/23/21   sT        2-1   DogChmp   (ID: g111n2q)
1/25/21   Arkosh    0-2   Cut       (ID: g111n2r)
1/26/21   JH        0-2   Cut       (ID: g111n2s)
1/30/21   Arkosh    1-2   sT        (ID: g111n2t)
1/30/21   felt      2-0   BR        (ID: g111n2u)
1/31/21   DogChmp   2-1   EB        (ID: g111n2v)
2/1/21    EB        0-2   sT        (ID: g111n2w)
2/2/21    BR        1-2   Arkosh    (ID: g111n2x)
2/6/21    Cut       0-2   sT        (ID: g111n2y)
2/6/21    DogChmp   2-0   JH        (ID: g111n2z)
2/7/21    felt      2-1   EB        (ID: g111n30)
2/8/21    DogChmp   2-1   BR        (ID: g111n31)
2/9/21    BR        0-2   Cut       (ID: g111n32)
2/13/21   EB        2-0   JH        (ID: g111n33)
2/13/21   felt      0-2   sT        (ID: g111n34)
2/14/21   Arkosh    2-0   JH        (ID: g111n35)
2/16/21   DogChmp   2-1   felt      (ID: g111n38)
2/20/21   BR        2-0   JH        (ID: g111n36)
2/20/21   EB        0-2   Arkosh    (ID: g111n39)
2/20/21   felt      1-2   Cut       (ID: g111n3c)
2/21/21   sT        2-0   JH        (ID: g111n3d)
2/22/21   felt      0-2   Arkosh    (ID: g111n3b)
2/23/21   DogChmp         Cut       (ID: g111n37)
2/27/21   EB              BR        (ID: g111n3a)
GamesEnd