Biological •
African swine fever virus (ASFV), the causative agent of African swine fever (ASF) •
Altered Schaedler flora, a standardized consortium of gastrointestinal microbial species •
Serine/arginine-rich splicing factor 1, a protein also known as alternative splicing factor 1 (ASF)
Computing •
Advanced Synchronization Facility, a proposed extension to the x86 instruction set architecture •
Advanced Systems Format (formerly "Advanced Streaming Format", .asf), a Microsoft streaming format •
Alert Standard Format, a protocol for remote management and control of systems in OS-absent environments •
Anti Spam Filtering, software and hardware protection layers used to fight email spam •
Apache Software Foundation, an umbrella non-profit organization that owns the Apache brandname •
APL (programming language) data files (file extension .asf) •
Atmel Software Framework, a set of source files, libraries and reference projects that aid in application development for Atmel microcontrollers
Other uses • Acrylic silicone fluoropolymer, a
car wax chemical •
Air superiority fighter •
Alaska Satellite Facility, a NASA data center • Amperes per square foot, a unit of
current density often used in electroplating == Organizations ==