Standard Libraries
- [R6RS Full] Base library and standard libraries
- [R7RS Small] Standard libraries
- [R7RS Large] (scheme list) — SRFI: 1
- [R7RS Large] (scheme hash-table) — SRFI: 125
- [R7RS Large] (scheme comparator) — SRFI: 128
- [R7RS Large] (scheme sort) — SRFI: 132
SRFI Libraries
- (srfi 1) (srfi :1 lists) — List Library
- (srfi 6) (srfi :6 basic-string-ports) — Basic String Ports
- (srfi 8) (srfi :8 receive) — Binding to multiple values
- (srfi 9) (srfi :9 records) — Defining Record Types
- (srfi 13) (srfi :13 strings) — String Libraries
- (srfi 14) (srfi :14 char-sets) — Character-set Library
- (srfi 19) (srfi :19 time) — Time Data Types and Procedures
- (srfi 23) (srfi :23 error) — Error reporting mechanism
- (srfi 26) (srfi :26 cut) — Notation for Specializing Parameters without Currying
- (srfi 27) (srfi :27 random-bits) — Sources of Random Bits
- (srfi 28) (srfi :28 basic-format-strings) — Basic Format Strings
- (srfi 35) (srfi :35 conditions) — Conditions
- (srfi 38) (srfi :38 with-shared-structure) — Data With Shared Structure
- (srfi 39) (srfi :39 parameters) — Parameter objects
- (srfi 41) (srfi :41 streams) — Streams
- (srfi 42) (srfi :42 eager-comprehensions) — Eager Comprehensions
- (srfi 48) (srfi :48 intermediate-format-strings) — Intermediate Format Strings
- (srfi 64) (srfi :64 testing) — A Scheme API for test suites
- (srfi 98) (srfi :98 os-environment-variables) — An interface to access environment variables
- (srfi 125) (srfi :125 hashtables) — Intermediate hash tables
- (srfi 128) (srfi :128 comparators) — Comparators (reduced)
- (srfi 132) (srfi :132 sorting) — Sort Libraries
Common Libraries
Ypsilon Libraries
- (ypsilon c-ffi) — C foreign function interface
- (ypsilon c-types) — C data types interface
- (ypsilon socket) — Socket interface
- (ypsilon process) — Posix process interface