2021-02-252021-02-252021-02-252020-12-11https://ri.ucsal.br/handle/prefix/3771The SED99 is a dataset contemplated by Open Source / Free Software projects to aid in the study of Software Evolution and in the analysis of the behavior of diversified projects over 5 years at four-month control points. The work aims to present the motiva- tions for its creation, its compilation process, ways to extract relevant information about its data and encourage other ways of exploring its content, in addition to representing a contribution to the science of Software Evolution, which compared other areas need more studies about it.Acesso AbertoEvolução de softwareLeis de LehmanOpen sourceDatasetSoftware evolutionLehman’s lawsTrabalho de Conclusão de CursoEngenhariasEngenharia de Software