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:     ATX October Fall Basketball 2017      (ATXO17)   (ID: 1a1mn) (Sort: League) (Playoffs: 1)
    Division: Swag                                             (ID: d14r4) (Sort: Division) (Playoffs: 4)
      Team:   Mid Range Game                        (Ash)      (ID: t1szh)
      Team:   The Make-A-Swish Foundation           (Black)    (ID: t1szi)
      Team:   The Agents                            (Carolina) (ID: t1szj)
      Team:   Ball Pounders                         (Charcoal) (ID: t1szk)
      Team:   BC Brawlers                           (Grey)     (ID: t1szm)
      Team:   Triple Threat                         (Irish)    (ID: t1szn)
      Team:   Captain Crunch and the Cereal Killers (Pink)     (ID: t1szp)
      Team:   Jobs and Buckets                      (Royal)    (ID: t1szq)
  Kind: pro
  Sport: basketball
  Gender: coed
  Country: USA
  State: Texas
  Level: AAA
  Season: 2017 (current: False)
  Author: LA
  Note: 
  LotteryNote: 
LeagueEnd

SortBegin
Division: Points, HeadToHead Points, GoalsDelta, DrawLots
League: (side) Least PositionInParent, Seed [(1-4) Playoff][(5-End) Least
PositionInParent]
SortEnd

RulesBegin
  PointsForWinInRegulation:  2
  PointsForWinInOvertime:  2
  PointsForWinInShootout:  2
  PointsForLossInRegulation:  0
  PointsForLossInOvertime:  0
  PointsForLossInShootout:  0
  PointsForTie:  1
  PercentOfGamesThatEndInTie:  0
  PercentOfGamesThatEndInOvertimeWin:  0
  PercentOfGamesThatEndInShootoutWin:  0
  HomeFieldAdvantage:  0.5
  WeightType:  Pythagorean
  WeightExponent:  4.226
  WhatDoYouCallATie:  tie
  WhatDoYouCallLottery:  lottery
  WhatDoYouCallPromoted:  Playoffs
  Promote:  4
  PromotePlus:  0
  PromotePlusPercent:  0
  WhatDoYouCallDemoted:  Last Place
  Demote:  1
  DemotePlus:  0
  DemotePlusPercent:  0
RulesEnd

GamesBegin
TeamListedFirst: home
9/25/17    Ash        93-41   Royal      (ID: g1uqmp)
9/25/17    Black      58-50   Grey       (ID: g1uqmq)
9/25/17    Carolina   68-70   Pink       (ID: g1uqmr)
9/25/17    Irish      31-85   Charcoal   (ID: g1uqms)
10/2/17    Ash        60-52   Grey       (ID: g1uqmt)
10/2/17    Black      34-63   Charcoal   (ID: g1uqmu)
10/2/17    Carolina   62-47   Irish      (ID: g1uqmv)
10/2/17    Royal      47-97   Pink       (ID: g1uqmw)
10/9/17    Ash        62-36   Black      (ID: g1uqmx)
10/9/17    Carolina   61-83   Charcoal   (ID: g1uqmy)
10/9/17    Pink       57-38   Grey       (ID: g1uqmz)
10/9/17    Royal      27-68   Irish      (ID: g1uqn0)
10/16/17   Ash        63-57   Charcoal   (ID: g1uqn1)
10/16/17   Grey       61-47   Irish      (ID: g1uqn2)
10/16/17   Pink       59-41   Black      (ID: g1uqn3)
10/16/17   Royal      25-47   Carolina   (ID: g1uqn4)
10/23/17   Grey       58-54   Carolina   (ID: g1uqn5)
10/23/17   Irish      62-42   Black      (ID: g1uqn6)
10/23/17   Pink       58-44   Ash        (ID: g1uqn7)
10/23/17   Royal      39-97   Charcoal   (ID: g1uqn8)
10/30/17   Black              Carolina   (ID: g1uqn9)
10/30/17   Grey               Royal      (ID: g1uqna)
10/30/17   Irish              Ash        (ID: g1uqnb)
10/30/17   Pink               Charcoal   (ID: g1uqnc)
GamesEnd