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Fault Tolerance Libraries

Libraries that provide fault tolerance capabilities — including circuit breakers, retries, rate limiters, and bulkheads — to build resilient, distributed systems in modern applications.

The Linux Foundation

by The Linux Foundation

19 projects ・ Updated 14 Mar 2025

Project
Contributors
Organizations
Software value
Dapr
4,977
1,087
$52M
Sentinel
2,348
182
$2.9M
Resilience4j
1,683
260
$3.4M
Hystrix
1,448
251
$1.8M
Finagle
1,207
278
$6.7M
Polly
996
169
$2.8M
Effect
814
263
$15M
Tenacity
608
199
$152K
go-retryablehttp
328
118
$67K
Failsafe
271
90
$390K
Backoff
255
99
$73K
Opossum
196
60
$147K
Exponential Backoff
187
97
$21K
retry
128
55
$26K
fetch-retry
97
40
$43K
SmallRye Fault Tolerance
84
25
$1.4M
Netflix Zuul
0
0
$0
ServiceComb Java Chassis
0
0
$0
Spring Retry
0
0
$0
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