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Open Source Alternatives

List of open-source alternatives to everyday SaaS products.

btw-so/open-source-alternatives
Open GitHub
List stars
8,583
README repos
146
Indexed repos
145
List commits
59
Forks
362
Open issues
45

Tracked list growth

GitHub stars and default-branch commits for btw-so/open-source-alternatives.

Latest scan 2026-07-17 10:49

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Indexed repositories

14 repos matching these filters.

Framework: grpc-go
Latest repo push 2026-07-17

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milvus-io/milvus

Milvus is a high-performance, cloud-native vector database built for scalable vector ANN search

AI dev
Stack
Go Axum Cobra Gin gRPC Go Cargo CMake Conan
GitHub topics
#anns #cloud-native #diskann #distributed #embedding-database #embedding-similarity
Updated
2026-07-17
Lists
7 list mentions
First commit
2019-03-18
License
Apache-2.0
Issues
1,101 open
Sign in to like milvus-io/milvus
45,249
stars
Forks
4,123
Commits
25,109 commits
Star growth, last 7 days
+71 +0.2%
Commit velocity, last 7 days
+48 +0.2%
Website GitHub
mattermost/mattermost

Mattermost is an open source platform for secure collaboration across the entire software development lifecycle..

AI dev
Stack
TypeScript Cobra Express gRPC Go React Go modules npm
GitHub topics
#collaboration #golang #hacktoberfest #mattermost #monorepo #react
Updated
2026-07-07
Lists
6 list mentions
First commit
2015-06-15
License
NOASSERTION
Issues
921 open
Sign in to like mattermost/mattermost
38,342
stars
Forks
8,812
Commits
22,815 commits
Star growth, last 7 days
No 7-day history
Commit velocity, last 7 days
No 7-day history
Website GitHub
mattermost-community/focalboard

Focalboard is an open source, self-hosted alternative to Trello, Notion, and Asana.

Stack
TypeScript gRPC Go React .NET SDK Go modules npm
GitHub topics
#asana #collaboration #goal-tracking #golang #hacktoberfest #kanban-board
Updated
2026-05-18
Lists
6 list mentions
First commit
2020-10-08
License
NOASSERTION
Issues
783 open
Sign in to like mattermost-community/focalboard
26,274
stars
Forks
2,557
Commits
3,646 commits
Star growth, last 7 days
No 7-day history
Commit velocity, last 7 days
No 7-day history
Website GitHub
weaviate/weaviate

Weaviate is an open-source vector database that stores both objects and vectors, allowing for the combination of vector search with structured filtering with the fault tolerance and scalability of a cloud-native database​.

AI dev
Stack
Go Cobra gRPC Go pytest Go modules PEP 517 pip
GitHub topics
#approximate-nearest-neighbor-search #generative-search #grpc #hnsw #hybrid-search #image-search
Updated
2026-07-07
Lists
4 list mentions
First commit
2016-03-30
License
BSD-3-Clause
Issues
577 open
Sign in to like weaviate/weaviate
16,522
stars
Forks
1,338
Commits
26,667 commits
Star growth, last 7 days
No 7-day history
Commit velocity, last 7 days
No 7-day history
Website GitHub
highlight/highlight

highlight.io: The open source, full-stack monitoring platform. Error monitoring, session replay, logging, distributed tracing, and more.

AI dev
Stack
TypeScript Actix Web Angular Celery Django Bundler Cargo .NET SDK
GitHub topics
#apm #full-stack #golang #metrics #monitoring #observability
Updated
2026-04-16
Lists
2 list mentions
First commit
2020-08-20
License
NOASSERTION
Issues
555 open
Sign in to like highlight/highlight
9,331
stars
Forks
667
Commits
7,060 commits
Star growth, last 7 days
0 0.0%
Commit velocity, last 7 days
0 0.0%
Website GitHub
jitsucom/jitsu

Jitsu is an open-source Segment alternative. Fully-scriptable data ingestion engine for modern data teams. Set-up a real-time data pipeline in minutes, not days

AI dev
Stack
TypeScript Cobra Express Gin gRPC Go Go modules npm pnpm
GitHub topics
#bigquery #clickhouse #data-collection #data-connectors #data-integration #golang
Updated
2026-07-06
Lists
2 list mentions
First commit
2022-06-22
License
MIT
Issues
27 open
Sign in to like jitsucom/jitsu
4,793
stars
Forks
356
Commits
3,109 commits
Star growth, last 7 days
No 7-day history
Commit velocity, last 7 days
No 7-day history
Website GitHub
openflagr/flagr

Flagr is a feature flagging, A/B testing and dynamic configuration microservice

AI dev
Stack
Go gRPC Go Svelte Vite Vue Go modules npm
GitHub topics
#ab-testing #dynamic-configuration #feature-flags #feature-toggles #golang #swagger
Updated
2026-07-10
Lists
1 list mention
First commit
2017-10-02
License
Apache-2.0
Issues
2 open
Sign in to like openflagr/flagr
2,600
stars
Forks
203
Commits
857 commits
Star growth, last 7 days
0 0.0%
Commit velocity, last 7 days
0 0.0%
Website GitHub
dotenx/dotenx

No-code and Low-code all-in-one platform to build landing pages, websites, web applications, APIs, automations. An alternative for Wix, Webflow, Zapier, and more

Stack
TypeScript Cobra Gin gRPC Go React Go modules npm pip
GitHub topics
#application-launcher #automation #backend #form #golang #no-code
Updated
2024-04-13
Lists
1 list mention
First commit
2022-01-30
License
NOASSERTION
Issues
27 open
Sign in to like dotenx/dotenx
647
stars
Forks
67
Commits
1,202 commits
Star growth, last 7 days
No 7-day history
Commit velocity, last 7 days
No 7-day history
Website GitHub