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 Europe Lower Div (DPC EU Lower) (ID: 1a23x) (Sort: Conf) (Playoffs: 1)
    Team: Brame                               (ID: t110jx)
    Team: burjui                              (ID: t110jy)
    Team: Creepwave            (Crpwve)       (ID: t110jz)
    Team: Hippomaniacs         (HpM)          (ID: t110k0)
    Team: Meta4Pro             (M4P)          (ID: t110k1)
    Team: No Bounty Hunter     (NBH)          (ID: t110k2)
    Team: Hellbear Smashers    (SMASH)        (ID: t110k3)
    Team: Spider Pigzs         (SPigzs)       (ID: t110k4)
  Kind: pro
  Sport: dota
  Gender: coed
  Country: EU
  State: 
  Level: B
  Season: 2021Season1 (current: True)
  Author: Poddo
  Note: 
  LotteryNote: 
LeagueEnd

SortBegin
Conf: Seed [(1-8) Call Standard]
Standard: Points, Wins HeadToHead, GoalsDelta HeadToHead, GoalsDelta,
(side) DrawLots, Playoff
Bubble: Points, (side) DrawLots, Playoff
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   SPigzs   1-2   Crpwve   (ID: g111n48)
1/19/21   burjui   0-2   Brame    (ID: g111n49)
1/20/21   M4P      0-2   SPigzs   (ID: g111n4a)
1/20/21   NBH      0-2   SMASH    (ID: g111n4b)
1/23/21   HpM      0-2   Brame    (ID: g111n4c)
1/25/21   Crpwve   2-0   HpM      (ID: g111n4d)
1/26/21   M4P      0-2   NBH      (ID: g111n4e)
1/27/21   burjui   0-2   SMASH    (ID: g111n4f)
1/27/21   HpM      0-2   NBH      (ID: g111n4g)
1/30/21   SMASH    2-0   M4P      (ID: g111n4h)
2/1/21    SPigzs   2-0   burjui   (ID: g111n4i)
2/2/21    Brame    1-2   Crpwve   (ID: g111n4j)
2/3/21    HpM      0-2   SPigzs   (ID: g111n4k)
2/3/21    NBH      2-0   burjui   (ID: g111n4m)
2/6/21    SMASH    2-1   Crpwve   (ID: g111n4n)
2/8/21    SPigzs   1-2   Brame    (ID: g111n4p)
2/9/21    HpM      2-0   M4P      (ID: g111n4q)
2/10/21   Brame    2-0   SMASH    (ID: g111n4r)
2/10/21   Crpwve   2-0   NBH      (ID: g111n4s)
2/13/21   burjui   0-0   M4P      (ID: g111n4t)
2/15/21   Crpwve   2-0   burjui   (ID: g111n4u)
2/16/21   Brame    2-0   M4P      (ID: g111n4v)
2/16/21   HpM      2-0   burjui   (ID: g111n4y)
2/16/21   M4P      0-2   Crpwve   (ID: g111n4z)
2/17/21   HpM      1-2   SMASH    (ID: g111n4w)
2/17/21   SPigzs   1-2   NBH      (ID: g111n4x)
2/23/21   NBH            Brame    (ID: g111n50)
2/24/21   SMASH          SPigzs   (ID: g111n51)
GamesEnd