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reconurge/flowsint

Open-source graph-based OSINT investigation platform that links entities like domains, IPs, emails and wallets through automated enrichers.

Open-source alternative to:Maltego

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What is it?

Flowsint is a visual investigation tool for reconnaissance and open-source intelligence work. Analysts place entities such as domains, IP addresses, ASNs, organizations, emails and crypto wallets on a graph and explore how they relate to each other.

Entities are expanded with built-in enrichers that run lookups such as reverse DNS, subdomain discovery, WHOIS, ASN and CIDR mapping, website crawling, email breach checks, Gravatar lookup, username search via Maigret, and wallet transaction history. An N8n connector is also included for hooking into workflows.

The platform runs locally through Docker, using PostgreSQL, Redis and Neo4j for storage, and includes a FastAPI backend and a TypeScript frontend. Stored API keys are encrypted with a vault key, and the project publishes ethical use guidelines alongside its Apache-2.0 license.

Key features

  • 01Visual graph canvas for mapping relationships between entities
  • 02Built-in enrichers for domains, IPs, ASNs, emails, phones and wallets
  • 03Username search across social platforms via Maigret
  • 04Encrypted storage for API keys
  • 05Docker-based setup with Linux, macOS and Windows instructions

Use cases

  • Mapping a company's domains, subdomains and IP ranges during a security assessment
  • Tracing links between email addresses, usernames and online accounts in an OSINT investigation
  • Following cryptocurrency wallet transactions and related NFTs
  • Running a self-hosted investigation workspace for a small team

Quick start

  1. 1

    Install prerequisites: Docker and Make (Linux/macOS)

  2. 2

    Clone the repository

    git clone https://github.com/reconurge/flowsint.git
  3. 3

    Enter the project folder and run the install command

    cd flowsint && make prod
  4. 4

    Open http://localhost:5173/register and create an account

Things to know

  • Early development stage; the README says it still needs community help.
  • Test suites are described as incomplete.
  • Some enrichers depend on external data sources, so results depend on those services.
  • Requires Docker and runs several services (PostgreSQL, Redis, Neo4j, API), which is heavy to self-host.

Topics

#osint#graph#cybersecurity#reconnaissance#investigation#threat-intelligence#docker#python#recon

FAQ

What is flowsint?
Open-source graph-based OSINT investigation platform that links entities like domains, IPs, emails and wallets through automated enrichers. Flowsint is a visual investigation tool for reconnaissance and open-source intelligence work. Analysts place entities such as domains, IP addresses, ASNs, organizations, emails and crypto wallets on a graph and explore how they relate to each other.
Is flowsint free to use? What license does it have?
flowsint is open source under the Apache-2.0 license. Check the license terms before using it in commercial products.
Is flowsint still maintained?
Actively maintained. The last commit to flowsint was on Oct 18, 2026.
What can I use flowsint for?
Mapping a company's domains, subdomains and IP ranges during a security assessment Tracing links between email addresses, usernames and online accounts in an OSINT investigation Following cryptocurrency wallet transactions and related NFTs Running a self-hosted investigation workspace for a small team
How do I install flowsint?
Install prerequisites: Docker and Make (Linux/macOS) Clone the repository: git clone https://github.com/reconurge/flowsint.git Enter the project folder and run the install command: cd flowsint && make prod Open http://localhost:5173/register and create an account
Where can I get flowsint?
The source code and installation instructions are on GitHub: https://github.com/reconurge/flowsint

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