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: Swiss League             (LNB)   (ID: 1a21j) (Sort: Div) (Playoffs: 8)
    Team: EHC Kloten               (EHCK)  (ID: t1ymb)
    Team: EHC Olten                (EHCO)  (ID: t1q72)
    Team: EHC Visp                 (EHCV)  (ID: t1q73)
    Team: EHC Winterthur           (EHCW)  (ID: t1q74)
    Team: EVZ Academy              (EVZA)  (ID: t1q75)
    Team: GCK Lions                (GCK)   (ID: t1q76)
    Team: HC Ajoie                 (HCA)   (ID: t1q77)
    Team: HC Biasca Ticino Rockets (HCBTR) (ID: t1q78)
    Team: HC La Chaux-de-Fonds     (HCC)   (ID: t1q79)
    Team: HC Sierre                (HCS)   (ID: t1ymc)
    Team: Hockey Thurgau           (HCT)   (ID: t1q7a)
    Team: SC Langenthal            (SCL)   (ID: t1q7c)
  Kind: pro
  Sport: hockey
  Gender: male
  Country: Switzerland
  State: 
  Level: B
  Season: 2019-2020 (current: False)
  Author: Twitter @Kemmler
  Note: Swiss Hockey League
  LotteryNote: 
LeagueEnd

SortBegin
Div: Points, Points HeadToHead , GoalsDelta, Greatest GoalsFor,
Greatest GoalsDelta HeadToHead, Greatest GoalsFor HeadToHead,
Greatest GoalsFor Away, Greatest GoalsFor HeadToHead Away, DrawLots
SortEnd

RulesBegin
  PointsForWinInRegulation:  3
  PointsForWinInOvertime:  2
  PointsForWinInShootout:  2
  PointsForLossInRegulation:  0
  PointsForLossInOvertime:  1
  PointsForLossInShootout:  1
  PointsForTie:  0
  PercentOfGamesThatEndInTie:  0
  PercentOfGamesThatEndInOvertimeWin:  0.0878787878787879
  PercentOfGamesThatEndInShootoutWin:  0.181818181818182
  HomeFieldAdvantage:  0.56
  WeightType:  PythagenpatIgnoreShootOutWinningGoals
  WeightExponent:  0.458
  WhatDoYouCallATie:  tie
  WhatDoYouCallLottery:  lottery
  WhatDoYouCallPromoted:  promoted
  Promote:  0
  PromotePlus:  0
  PromotePlusPercent:  0
  WhatDoYouCallDemoted:  relegated
  Demote:  0
  DemotePlus:  0
  DemotePlusPercent:  0
RulesEnd

GamesBegin
TeamListedFirst: home
2/19/20   7:45 PM   EHCK   1-4        GCK    (ID: g111527)
2/19/20   7:45 PM   EHCO   4-5 (ot)   SCL    (ID: g111528)
2/19/20   7:45 PM   EHCV   4-1        HCT    (ID: g111529)
2/19/20   7:45 PM   HCA    6-2        HCC    (ID: g11152a)
2/21/20   7:45 PM   HCC    2-1        HCA    (ID: g11152b)
2/21/20   7:45 PM   SCL    4-3 (ot)   EHCO   (ID: g11152c)
2/21/20   8:00 PM   GCK    2-7        EHCK   (ID: g11152d)
2/21/20   8:00 PM   HCT    2-1        EHCV   (ID: g11152e)
2/23/20   5:30 PM   EHCK   4-3 (ot)   GCK    (ID: g11152f)
2/23/20   5:30 PM   EHCO   7-0        SCL    (ID: g11152g)
2/23/20   5:30 PM   EHCV   2-1 (ot)   HCT    (ID: g11152h)
2/23/20   5:30 PM   HCA    4-2        HCC    (ID: g11152i)
2/26/20   7:45 PM   GCK    1-6        EHCK   (ID: g11152j)
2/26/20   7:45 PM   HCC    3-9        HCA    (ID: g11152k)
2/26/20   7:45 PM   SCL    4-1        EHCO   (ID: g11152m)
2/26/20   8:00 PM   HCT    1-4        EHCV   (ID: g11152n)
2/28/20   7:45 PM   EHCK   3-2        GCK    (ID: g11152p)
2/28/20   7:45 PM   EHCO   1-4        SCL    (ID: g11152q)
2/28/20   7:45 PM   EHCV   3-2 (ot)   HCT    (ID: g11152r)
2/28/20   7:45 PM   HCA    7-3        HCC    (ID: g11152s)
GamesEnd