Fairness regulator and rate limiter
Intercluster RPC independent of distribution protocol
Continuous event sampler
gen_server wrapper with precise ticks
Format-Preserving Encryption - FFX
Quadtrees for Erlang
N-dimensional Z-order curves
MMDB reader for geolocation and ASN lookup of IP addresses, supporting MaxMind GeoLite2/GeoIP2 and other providers
A sexy Erlang worker pool factory
Native spinlocks
:get_stacktrace() compatibility in OTP 21+
Array-like collections optimized for tail manipulation
On-demand worker pools for parallelizable tasks
TLS/SSL certificate verification for humans
Atomic shared variables
A parser of Apple Property Lists (.plist)