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: Football League Two (League Two) (ID: 1a14i) (Sort: Div) (Playoffs: 1)
    Team: Accrington                       (ID: t11ps)
    Team: Barnet                           (ID: t1j9v)
    Team: Bristol Rovers                   (ID: t11nv)
    Team: Cambridge                        (ID: t1j9w)
    Team: Carlisle                         (ID: t1j9x)
    Team: Crawley                          (ID: t1ja5)
    Team: Dag & Red                        (ID: t11ph)
    Team: Exeter                           (ID: t11pf)
    Team: Hartlepool                       (ID: t17kr)
    Team: Leyton Orient                    (ID: t1j9z)
    Team: Luton                            (ID: t1ja0)
    Team: Mansfield                        (ID: t17ks)
    Team: Morecambe                        (ID: t11q1)
    Team: Newport                          (ID: t17kt)
    Team: Northampton                      (ID: t11p3)
    Team: Notts County                     (ID: t1ja1)
    Team: Oxford Utd                       (ID: t11q8)
    Team: Plymouth                         (ID: t17ku)
    Team: Portsmouth                       (ID: t17kv)
    Team: Stevenage                        (ID: t1ja2)
    Team: Wimbledon                        (ID: t1ja3)
    Team: Wycombe                          (ID: t11pg)
    Team: Yeovil                           (ID: t1ja4)
    Team: York                             (ID: t11qa)
  Kind: pro
  Sport: socce
  Gender: male
  Country: England
  State: 
  Level: D
  Season: 2015-2016 (current: True)
  Author: bgix, bjartur
  Note: To update, cc this data to: scs-bgix@snkmail.com
  LotteryNote: 
LeagueEnd

SortBegin
Div: Average Points, Average GoalsDelta, Average GoalsFor, Average
Points
HeadToHead, 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:  0.63
  WeightType:  Pythagenpat
  WeightExponent:  0.24
  WhatDoYouCallATie:  draw
  WhatDoYouCallLottery:  lottery
  WhatDoYouCallPromoted:  League One
  Promote:  3
  PromotePlus:  4
  PromotePlusPercent:  0.25
  WhatDoYouCallDemoted:  Conference
  Demote:  2
  DemotePlus:  0
  DemotePlusPercent:  0
RulesEnd

GamesBegin
TeamListedFirst: home
8/8/15    Accrington       1-1   Luton            (ID: g1ntfv)
8/8/15    Bristol Rovers   0-1   Northampton      (ID: g1ntfw)
8/8/15    Cambridge        3-0   Newport          (ID: g1ntfx)
8/8/15    Exeter           3-2   Yeovil           (ID: g1ntfy)
8/8/15    Hartlepool       2-0   Morecambe        (ID: g1ntfz)
8/8/15    Leyton Orient    2-0   Barnet           (ID: g1ntg0)
8/8/15    Mansfield        1-1   Carlisle         (ID: g1ntg1)
8/8/15    Oxford Utd       1-1   Crawley          (ID: g1ntg2)
8/8/15    Portsmouth       3-0   Dag & Red        (ID: g1ntg3)
8/8/15    Stevenage        0-2   Notts County     (ID: g1ntg4)
8/8/15    Wimbledon        0-2   Plymouth         (ID: g1ntg5)
8/8/15    Wycombe          3-0   York             (ID: g1ntg6)
8/14/15   Notts County     0-2   Mansfield        (ID: g1ntg7)
8/15/15   Barnet           0-2   Wycombe          (ID: g1ntg8)
8/15/15   Carlisle         4-4   Cambridge        (ID: g1ntg9)
8/15/15   Crawley          1-2   Wimbledon        (ID: g1ntga)
8/15/15   Dag & Red        1-3   Leyton Orient    (ID: g1ntgb)
8/15/15   Luton            2-2   Oxford Utd       (ID: g1ntgc)
8/15/15   Morecambe        1-0   Accrington       (ID: g1ntgd)
8/15/15   Newport          2-2   Stevenage        (ID: g1ntge)
8/15/15   Northampton      3-0   Exeter           (ID: g1ntgf)
8/15/15   Plymouth         1-2   Portsmouth       (ID: g1ntgg)
8/15/15   Yeovil           0-1   Bristol Rovers   (ID: g1ntgh)
8/15/15   York             1-2   Hartlepool       (ID: g1ntgi)
8/18/15   Accrington       1-0   Mansfield        (ID: g1ntgx)
8/18/15   Barnet           2-0   Northampton      (ID: g1ntgy)
8/18/15   Crawley          0-0   Portsmouth       (ID: g1ntgz)
8/18/15   Dag & Red        1-2   Exeter           (ID: g1nth0)
8/18/15   Hartlepool       1-0   Newport          (ID: g1nth1)
8/18/15   Leyton Orient    3-0   Stevenage        (ID: g1nth2)
8/18/15   Luton            0-1   Bristol Rovers   (ID: g1nth3)
8/18/15   Morecambe        0-1   Wycombe          (ID: g1nth4)
8/18/15   Oxford Utd       3-1   Notts County     (ID: g1nth5)
8/18/15   Plymouth         4-1   Carlisle         (ID: g1nth6)
8/18/15   Wimbledon        1-2   Cambridge        (ID: g1nth7)
8/18/15   York             1-0   Yeovil           (ID: g1nth8)
8/22/15   Bristol Rovers   3-1   Barnet           (ID: g1nth9)
8/22/15   Cambridge        0-3   Crawley          (ID: g1ntha)
8/22/15   Carlisle         1-1   Wimbledon        (ID: g1nthb)
8/22/15   Exeter           0-0   York             (ID: g1nthc)
8/22/15   Mansfield        1-1   Oxford Utd       (ID: g1nthd)
8/22/15   Newport          2-3   Leyton Orient    (ID: g1nthe)
8/22/15   Northampton      0-2   Plymouth         (ID: g1nthf)
8/22/15   Notts County     1-1   Accrington       (ID: g1nthg)
8/22/15   Portsmouth       3-3   Morecambe        (ID: g1nthh)
8/22/15   Stevenage        2-0   Hartlepool       (ID: g1nthi)
8/22/15   Wycombe          1-1   Dag & Red        (ID: g1nthj)
8/22/15   Yeovil           3-2   Luton            (ID: g1nthk)
GamesEnd