This volume constitutes the refereed proceedings of the 21st EuroSPI conference, held in Luxembourg, in June 2014. The 18 revised papers presented together with 11 invited papers in this volume were carefully reviewed and selected. They are organized in topical sections on SPI and very small entities; process improvement frameworks; testing and improvement issues; SPI and people issues; SPI and quality issues; software processes in various contexts. The volume also contains selected keynote papers from EuroSPI workshops and invited papers covering the topic of creating environments supporting...

This volume constitutes the refereed proceedings of the 23rd EuroSPI conference, held in Graz, Austria, in September 2016.The 15 revised full papers presented together with 14 selected key notes and workshop papers were carefully reviewed and selected from 51 submissions. They are organized in topical sections on SPI and the ISO/IEC 29110 standard; communication and team issues in SPI; SPI and assessment; SPI in secure and safety critical environments; SPI initiatives; GamifySPI; functional safety; supporting innovation and improvement.