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Open-source alternatives to KillerScan

Projects with an open-source licence: you can inspect, modify and self-host the code.

Same categories and verticals plus the editors' list, in an independent order. Partners and ads never change it.

  1. rclone

    rclone (Nick Craig-Wood)

    87

    Sync files with 70+ cloud storage services

    Open source 89 WindowsLinuxmacOS
  2. KeePassXC

    KeePassXC Team

    87

    An offline, encrypted password manager

    Open source 88 WindowsLinuxmacOS
  3. Bitwarden

    Bitwarden Inc.

    87

    Open-source cloud password manager

    Open source 85 WindowsLinuxmacOSAndroid
  4. ClamAV

    Cisco Systems (ClamAV)

    87

    Open-source antivirus engine for servers

    Open source 85 WindowsLinuxmacOS
  5. WinSCP

    Martin Prikryl (WinSCP)

    87

    File transfer over SFTP, FTP and S3

    Open source 80 Windows
  6. WireGuard

    WireGuard (Jason A. Donenfeld)

    87

    A fast, modern and secure VPN protocol

    Open source 80 WindowsLinuxmacOSAndroid
  7. EventLogExpert

    Microsoft Corporation

    87

    A Windows Event Log viewer for tech support and IT professionals.

    Open source 77 Windows
  8. Microsoft Azure Guest Proxy Agent

    Microsoft Corporation

    87

    This project introduces the Guest Proxy Agent (GPA) to enhance the security of the Azure Instance Metadata Service and Azure Wireserver endpoints (available in Azure IaaS VM/VMSS).

    Open source 77 Windows
  9. Microsoft Azure Kubelogin

    Microsoft Corporation

    87

    A Kubernetes credential (exec) plugin implementing Azure authentication.

    Open source 77 Windows
  10. Microsoft Azure Quick Review

    Microsoft Corporation

    87

    A tool to check compliance of Azure resources with Azure best practices and recommendations.

    Open source 77 Windows
  11. NeoChat

    KDE e.V.

    87

    Matrix Client

    Open source 77 WindowsLinux
  12. PerfView

    Microsoft Corporation

    87

    PerfView is a CPU and memory performance-analysis tool.

    Open source 77 Windows
  13. Ruqola

    KDE e.V.

    87

    Rocket.Chat client

    Open source 77 Windows
  14. WebLogic Remote Console

    Oracle Corporation

    87

    WebLogic Remote Console is a lightweight, open source console that you can use to manage your WebLogic Server domain running anywhere, such as on a physical or virtual machine, in a container, Kubernetes, or in the Oracle Cloud.

    Open source 75 Windows
  15. 87

    Secure two-factor authentication app by Proton

    Open source 70 Windows
  16. 87

    A desktop application used to sync your Bitwarden enterprise organization to an existing directory of users and groups.

    Open source 60 Windows
  17. Magika

    Google LLC

    87

    Fast and accurate AI powered file content types detection

    Open source 60 Windows
  18. Microsoft Ntttcp

    Microsoft Corporation

    87

    A Windows network throughput benchmark tool.

    Open source 32 Windows
  19. OnionShare

    Micah Lee, et al.

    75

    OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat with friends using the Tor network

    Open source 77 Windows
  20. Signal

    Signal Messenger LLC

    72

    Private messaging, end-to-end encrypted

    Open source 80 WindowsLinuxmacOSAndroid
  21. Wireshark

    Wireshark Foundation

    72

    Professional network packet analysis

    Open source 80 WindowsLinuxmacOS
  22. FileZilla Client

    Tim Kosse (FileZilla)

    72

    The popular FTP and SFTP client

    Open source 77 WindowsLinuxmacOS
  23. Microsoft Promptflow

    Microsoft Corporation

    72

    Prompt flow is a suite of development tools designed to streamline the end-to-end development cycle of LLM-based AI applications, from ideation, prototyping, testing, evaluation to production deployment and monitoring.

    Open source 38 Windows
  24. CrystalDiskInfo

    Crystal Dew World

    67

    Monitor HDD and SSD health

    Open source 80 Windows
  25. 2FAGuard

    Timo Kössler

    67

    A modern and secure Windows app for managing your 2FA authentication codes

    Open source 77 Windows
  26. 3va

    OdinoCano

    67

    Secure-by-default JavaScript and TypeScript runtime.

    Open source 77 Windows
  27. ADAMANT Messenger

    ADAMANT Foundation

    67

    ADAMANT is a decentralized anonymous messenger client based on the ADAMANT Blockchain

    Open source 77 Windows
  28. AeroFTP

    axpnet

    67

    A modern, multi-protocol file manager and FTP client with integrated AI, cloud sync, and military-grade encryption.

    Open source 77 Windows
  29. age

    FiloSottile

    67

    A simple, modern and secure encryption tool (and Go library) with small explicit keys, no config options, and UNIX-style composability.

    Open source 77 Windows
  30. agentbridge

    AGNTCY

    67

    CLI binary for the agentbridge general-purpose agent interconnect.

    Open source 77 Windows

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