Some conferences' websites:
Combinatorics:
BCC - combinatorics and related conferences page
Douglas West's "Links to Combinatorial Conferences" page
combinatorics.net conference page
The U. Gent Incidence Geometry Research Group's "Conferences & Workshops" page
Some combinatorics journals
The Midwest Conference on Combinatorics, Cryptography and Computing (MCCCC)
SIAM Conference Calendar
,
SIAM Conferences
Tom Friedetzky's "Some TCS-related conferences/workshops" page
Lecture notes on the Web - design theory, finite geometry, and related areas
Peter Cameron's homepage
ACM Conferences
IEEE Conferences
Algorithms
Parallel processing
Satisfiability of boolean expressions and model checking
Pattern matching in strings and bioinformatics
CIAA Conference on Implementation and Application of Automata
Operating systems
Distributed systems
Big Data
Cloud Computing
Computer architecture
WIU Library
ACM Digital Library
and other databases from WIU Library.