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: TSML  (ID: 1a1r9) (Sort: Conf) (Playoffs: 2)
    Team: a     (ID: t16de)
    Team: b     (ID: t16df)
    Team: c     (ID: t16dg)
    Team: d     (ID: t16dh)
    Team: e     (ID: t16di)
    Team: f     (ID: t16dj)
    Team: g     (ID: t16dk)
    Team: h     (ID: t16dm)
    Team: i     (ID: t16dn)
    Team: j     (ID: t1u5y)
    Team: k     (ID: t1u5z)
    Team: l     (ID: t1u60)
    Team: m     (ID: t1u61)
  Kind: rec
  Sport: curling
  Gender: coed
  Country: Canada
  State: 
  Level: A
  Season: 2017 (current: True)
  Author: Tom Hoffman
  Note: 
  LotteryNote: 
LeagueEnd

SortBegin
conf:  Points, Wins, Average Points HeadtoHead, Least GoalsAgainst, DrawLots
SortEnd

RulesBegin
  PointsForWinInRegulation:  3
  PointsForWinInOvertime:  3
  PointsForWinInShootout:  3
  PointsForLossInRegulation:  1
  PointsForLossInOvertime:  1
  PointsForLossInShootout:  1
  PointsForTie:  0
  PercentOfGamesThatEndInTie:  0
  PercentOfGamesThatEndInOvertimeWin:  0
  PercentOfGamesThatEndInShootoutWin:  0
  HomeFieldAdvantage:  0.5
  WeightType:  Pythagorean
  WeightExponent:  1.4
  WhatDoYouCallATie:  tie
  WhatDoYouCallLottery:  lottery
  WhatDoYouCallPromoted:  promoted
  Promote:  0
  PromotePlus:  0
  PromotePlusPercent:  0
  WhatDoYouCallDemoted:  relegated
  Demote:  0
  DemotePlus:  0
  DemotePlusPercent:  0
RulesEnd

GamesBegin
TeamListedFirst: away
12/16/12   b   1-0   a   (ID: g1vz2z)
11/2/17    g         k   (ID: g1vz4u)
GamesEnd