▁ 2 . 1 ▁tool ▁ ▁Mer lin ▁Gener ator ▁: ▁open ▁source ▁code ▁generation ▁and ▁model ▁transformation ▁ ▁tool ▁▁▁▁ ▁Sig asi ▁: ▁commercial ▁IDE ▁for ▁V H DL ▁ ▁Sm art Q V T ▁: ▁an ▁open ▁source ▁implementation ▁of ▁the ▁Q V T - Oper ational ▁language . ▁This ▁tool ▁comp iles ▁Q V T ▁transformations ▁into ▁EM F - based ▁Java ▁programs . ▁ ▁K erm eta : ▁a ▁multi - pur pose ▁tool ▁made ▁by ▁IR IS A ▁and ▁based ▁on ▁EM F ▁for ▁model ▁development , ▁model ▁constraint ▁checking , ▁model ▁expl oration , ▁model ▁transformation ▁and ▁much ▁more . ▁ ▁Pap yrus : ▁a ▁M DE ▁U ML ▁model er ▁based ▁on ▁EM F . ▁ ▁E Z Re alt ime : ▁an ▁environment ▁for ▁model ing ▁Em bed ded ▁Hard ▁Real - Time ▁Software ▁based ▁on ▁a ▁Time ▁Pet ri ▁Net ▁Method ology . ▁ ▁R ational ▁Software ▁Mod eler ▁a ▁U ML ▁model er ▁that ▁uses ▁the ▁EM F - based ▁U ML 2 ▁model . ▁ ▁Sky way ▁Bu ilder ▁: ▁open ▁source ▁code ▁generation ▁tool ▁for ▁Spring - based ▁applications ▁ ▁EM F Text : ▁A ▁set ▁of ▁plug - ins ▁to ▁create ▁text ual ▁domain - specific ▁languages . ▁ ▁Ja Mo PP : ▁An ▁EM F - based ▁met am odel ▁for ▁the ▁Java ▁language . ▁In cludes ▁a ▁parser ▁to ▁convert ▁Java ▁programs ▁to ▁EM F ▁models ▁and ▁a ▁printer ▁to ▁do ▁the ▁opposite . ▁ ▁Ref actory :