head to head · open source
Listmonk vs delta
Listmonk has 24,124 GitHub stars, 2,742 forks, 111 open issues and last shipped yesterday. delta has 9,065 stars, 2,206 forks, 955 open issues and last shipped yesterday. Listmonk leads on adoption by 166% (24,124 vs 9,065 stars). Listmonk is written in Go under AGPL-3.0; delta is written in Scala under Apache-2.0. Listmonk has attracted 11% as many forks as stars, delta 24%. delta was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Listmonk | delta | |
|---|---|---|
| GitHub stars | ★ 24K | ★ 9.1K |
| License | AGPL-3.0 | Apache-2.0 |
| Written in | Go | Scala |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 2.7K | ⑂ 2.2K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Listmonk if
- You weight community size — 24K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick delta if
- You want the delta feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Scala
- You evaluated both and delta fits your workflow better
About Listmonk
listmonk is a standalone, self hosted, newsletter and mailing list manager. It is fast, feature rich, and packed into a single binary. It uses a PostgreSQL database as its data store. Visit listmonk.app for more info. Check out the live demo . Installation Docker The latest image is available on DockerHub at listmonk/listmonk:latest . Download and use the sample docker compose.yml. Visit See installation docs Binary Download the latest release and extract the listmonk binary. ./listmonk new config to generate config.toml. Edit it. ./listmonk install to setup the Postgres DB (or upgrade to upgrade an existing DB…
read the full Listmonk overview →
About delta
Delta Lake is an open source storage framework that enables building a Lakehouse architecture with compute engines including Spark, PrestoDB, Flink, Trino, and Hive and APIs for Scala, Java, Rust, Ruby, and Python. See the Delta Lake Documentation for details. See the Quick Start Guide to get started with Scala, Java and Python. Note, this repo is one of many Delta Lake repositories in the delta.io organizations including delta, delta rs, delta sharing, kafka delta ingest, and website. The following are some of the more popular Delta Lake integrations, refer to delta.io/integrations for the complete list: Apache…
read the full delta overview →
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Frequently asked questions
Is Listmonk or delta more popular?
Listmonk has 24,124 GitHub stars and delta has 9,065. Listmonk has the larger community by that measure.
Are Listmonk and delta free?
Both are open source. Listmonk is licensed under AGPL-3.0 and delta under Apache-2.0. Neither carries a licence fee.
What is the difference between Listmonk and delta?
Listmonk is written in Go and delta in Scala. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Listmonk or delta?
Choose Listmonk if you want the larger community (24,124 stars) or its AGPL-3.0 licence terms. Choose delta if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.