The Engineering ToolBox
engineeringtoolbox.comTechnical data and calculations for engineering study
Technical data and calculations for engineering study
Read and compare constitutions by topic
A music-score library with structured browsing
An index of hymn texts, tunes and hymnals
Language classification linked to bibliographic reference
AI hairstyle try-on that shows haircuts and colours on your own photo.
Health-topic and medical reference for general readers
An archived reference to Sydney's people and places
Detailed bird life histories with maps and multimedia
Open textbooks for higher-education subjects
Curated learning-resource discovery by discipline
Guides for international and foreign legal research
Learn and test text patterns with live feedback
Dictionary, thesaurus and grammar reference in one service
Develop mobile illustrations with editable brushes and layered drawing
Animal reference searchable by information and media type
Research reference on pharmacological targets and ligands
The unedited early twentieth-century Jewish Encyclopedia
Ancient-history articles with illustrations and topic browsing
Norwegian encyclopedia entries across a broad subject range
Mineral and gemstone descriptions for reference study
Pali-canon translations with several routes into the text