Best Open Source Tools (2026)

Open Source tools launched on Nick Launches, ranked by community upvotes so the launches other builders rated highest come first. 34 live products are listed right now, each with its own page, screenshots, and the maker behind it.

Current community favorites include BetterDB, Gem Wallet, and Assay. New launches join this page the day they go live, so the ranking below keeps moving.

Top Open Source tools compared

#	Tool	What it does	Launched	Upvotes
1	BetterDB	Observable memory and caching for your AI agents	Jul 2026	163
2	Gem Wallet	Open-source self-custodial wallet for 100+ blockchains	Jul 2026	28
3	Assay	Prove it before you send it.	Aug 2026	20
4	Vectr4	Self-hosted product analytics for indie hackers.	Aug 2026	15
5	SUB/WAVE	An AI DJ that turns your music library into real radio.	Jul 2026	15

All Open Source tools, ranked

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Observable memory and caching for your AI agents

🥈

Open-source self-custodial wallet for 100+ blockchains

🥉

Prove it before you send it.

#4

Self-hosted product analytics for indie hackers.

#5

An AI DJ that turns your music library into real radio.

#6

Free & Open-Source Invoice Generator

#7

The safest AI dictation. Fully On-device or via your API.

#8

Catch intent conflicts before code conflicts.

#9

Supporting learners with ADHD and learning difficulties.

#10

Self-hosted crypto trading platform with visual AI builder.

#11

AI Library

#12

The Python Package Index, reimagined.

#13

Lightweight, privacy-focused clipboard manager.

#14

Private, unlimited file transfer

#15

Encrypted Calendar, Contact ad Task Sync

#16

Local usage analytics for AI coding agents.

#17

Convert any PDF to dark mode in your browser

#18

Antigravity Skill Forge

Effortlessly craft & package custom AI agent skills.

#19

Open-source antivirus for AI agents

#20

agentskills.codes

The skill registry for Claude, Codex & AI agents