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:       SSDM FIFA     (ID: 1aq2) (Sort: Conf)
    Conference: Championship  (ID: d123z) (Sort: Div) (Playoffs: 1)
      Team:     Chris Be      (ID: t1b0v)
      Team:     Chris Bo      (ID: t1b0w)
      Team:     Gary W        (ID: t1b0z)
      Team:     Michael C     (ID: t1b13)
    Conference: Conference    (ID: d1240) (Sort: Div) (Playoffs: 1)
      Team:     Amy B         (ID: t1b0u)
      Team:     Guy T         (ID: t1b10)
      Team:     Jamie H       (ID: t1b11)
      Team:     Ryan W        (ID: t1b16)
    Conference: Premier       (ID: d1241) (Sort: Div) (Playoffs: 1)
      Team:     Dave G        (ID: t1b0x)
      Team:     Dave K        (ID: t1b0y)
      Team:     Mark K        (ID: t1b12)
      Team:     Nick P        (ID: t1b14)
      Team:     Paul G        (ID: t1b15)
  Kind: fantasy
  Sport: soccer
  Gender: male
  Country: UK
  State: 
  Level: A
  Season: 1 (current: True)
  Author: Paul Grave
  Note: 
  LotteryNote: 
LeagueEnd

SortBegin
Div: Average Points, Average Points HeadToHead, Average GoalsDelta,
DrawLots
Conf: MoveClinchedToFrontBySeed, Average Points, Average Points
HeadToHead, Average GoalsDelta, DrawLots
SortEnd

RulesBegin
  PointsForWinInRegulation:  3
  PointsForWinInOvertime:  3
  PointsForWinInShootout:  3
  PointsForLossInRegulation:  0
  PointsForLossInOvertime:  0
  PointsForLossInShootout:  0
  PointsForTie:  1
  PercentOfGamesThatEndInTie:  0.25
  PercentOfGamesThatEndInOvertimeWin:  0
  PercentOfGamesThatEndInShootoutWin:  0
  HomeFieldAdvantage:  0.5
  WeightType:  Pythagorean
  WeightExponent:  1.4
  WhatDoYouCallATie:  draw
  WhatDoYouCallLottery:  lottery
  WhatDoYouCallPromoted:  promoted
  Promote:  0
  PromotePlus:  0
  PromotePlusPercent:  0
  WhatDoYouCallDemoted:  relegated
  Demote:  0
  DemotePlus:  0
  DemotePlusPercent:  0
RulesEnd

GamesBegin
TeamListedFirst: home
1/4/14   Amy B      1-1   Guy T       (ID: g1ef6q)
1/4/14   Amy B      2-1   Ryan W      (ID: g1ef6r)
1/4/14   Chris Be   1-2   Gary W      (ID: g1ef6s)
1/4/14   Chris Be   0-0   Michael C   (ID: g1ef6t)
1/4/14   Chris Bo   0-1   Chris Be    (ID: g1ef6u)
1/4/14   Chris Bo   0-1   Michael C   (ID: g1ef6v)
1/4/14   Dave G     3-1   Mark K      (ID: g1ef6w)
1/4/14   Dave G     1-3   Nick P      (ID: g1ef6x)
1/4/14   Dave K     2-1   Dave G      (ID: g1ef6y)
1/4/14   Dave K     2-1   Dave G      (ID: g1ef7c)
1/4/14   Dave K     1-1   Nick P      (ID: g1ef6z)
1/4/14   Gary W     1-1   Chris Bo    (ID: g1ef70)
1/4/14   Gary W     1-0   Michael C   (ID: g1ef71)
1/4/14   Guy T      1-0   Jamie H     (ID: g1ef72)
1/4/14   Guy T      1-1   Ryan W      (ID: g1ef73)
1/4/14   Jamie H    1-0   Amy B       (ID: g1ef74)
1/4/14   Jamie H    0-4   Ryan W      (ID: g1ef75)
1/4/14   Mark K     1-3   Dave K      (ID: g1ef76)
1/4/14   Mark K     1-0   Paul G      (ID: g1ef77)
1/4/14   Nick P     1-0   Mark K      (ID: g1ef78)
1/4/14   Nick P     1-1   Paul G      (ID: g1ef79)
1/4/14   Paul G     1-2   Dave G      (ID: g1ef7a)
1/4/14   Paul G     0-1   Dave K      (ID: g1ef7b)
GamesEnd