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Instead of Holodeck B2B

Holodeck B2B alternatives

Holodeck B2B is a free, open-source gateway for B2B messaging built around OASIS ebXML Messaging 3 and AS4. It can run independently or connect with a business system, handling one-way and two-way push or pull exchanges. Support for files and attachments up to 2 GB, command-line and graphical monitoring, file-based integration, extensible APIs, custom backends, and an AS2 extension gives technical teams several deployment options. Signing, encryption, trust stores, OCSP checks, and receipt non-repudiation address message security. It runs on Linux, macOS, and Windows, with Java 11 or later required.

  1. 1

    Billit

    Free plan AndroidAPIiPhone+1

    Peppol invoicing with mobile receipt scanning — Billit is an invoicing and administration platform with mobile apps, receipt scanning, payment reminders, and Peppol sending rather than an AS4 gateway.

    7.5 Free plan · paid from €6.90/mo (annual) · 15-day trial Visit site
  2. 2

    phase4

    Free plan LinuxMacSelf-hosted+2

    Embedding AS4 messaging into a Java system — phase4 is an embeddable Java AS4 library requiring manual integration, while Holodeck B2B can operate as a standalone gateway.

    7.2 Open source Visit site
  3. 3

    B2Brouter

    Free plan APIWeb

    Multi-network electronic invoicing and ERP automation — B2Brouter creates, sends, receives, and manages electronic invoices and commercial documents across several networks instead of providing an AS4 gateway.

    7.3 Free plan Visit site
  4. 4

    BillingEngine

    by BillingEngine
    Free plan APIWeb

    Freelancer and small-business invoicing — BillingEngine focuses on invoicing and accounting, including ZUGFeRD and XRechnung e-invoices, rather than general AS4 message exchange.

    7.3 Free plan · paid from €6/mo (annual) Visit site
  5. 5

    Domibus

    Free plan APILinuxSelf-hosted

    European Commission-style eDelivery access points — Domibus is the European Commission's sample AS4 Access Point with REST, Web Service, File System, and JMS plugins, while Holodeck B2B offers broader standalone options.

    7.3 Open source Visit site
  6. 6

    ONESOURCE Pagero

    Free plan APIWeb

    Managed e-invoicing across 80+ countries — ONESOURCE Pagero automates compliant e-invoices and supply-chain documents across 80+ countries, with ERP connectivity and scanning services beyond Holodeck B2B messaging.

    7.0 Free plan · pricing on request Visit site
  7. 7

    PeppolSoft

    Free plan AndroidAPIiPhone+1

    Peppol access across US and European networks — PeppolSoft combines a unified e-invoice API with browser transaction management, validation, and participant connectivity on DBNA and OpenPeppol networks.

    7.2 Free plan · paid from $1,200/yr Visit site
  8. 8

    Tradeshift

    by Tradeshift
    Free plan APIWeb
    6.7 Pricing on request Visit site
  9. 9

    Arratech Peppol-as-a-Service

    Free trial APIWeb
    6.3 Pricing on request Visit site
  10. 10

    Peppox

    Free trial AndroidAPIiPhone+1
    6.1 From €29/mo · 7-day trial Visit site
  11. 11

    Basware

    by Basware
    Paid AndroidAPIiPhone+3
    6.0 Pricing on request Visit site
  12. 12
    5.8 Free plan Visit site
  13. 13

    4CEE Exchange

    Paid API
    5.7 Pricing on request Visit site
  14. 14

    Storecove E-invoicing API

    Free trial APIWeb
    5.7 Pricing on request · 30-day trial Visit site
  15. 15

    Tickstar Peppol Access Point

    Free trial APIWeb
    5.6 Pricing on request Visit site
  16. 16
    5.5 Pricing on request Visit site
  17. 17

    SmartBill

    Paid AndroidAPIiPhone+2
  18. 18

    Sovos VAT Compliance

    by Sovos VAT Compliance
    Paid APIExtensionWeb+1
    5.5 Pricing on request Visit site
  19. 19

    B2BE E-Invoicing

    Paid APIWeb
    5.4 Pricing on request Visit site
  20. 20

    Cygnet e-Invoicing

    Paid APISelf-hostedWeb
    5.4 Pricing on request Visit site
  21. 21
    5.4 Pricing on request Visit site
  22. 22

    Unifiedpost Banqup

    Paid AndroidAPIiPhone+1
  23. 23

    ecosio

    Paid APIWeb
    5.2 Pricing on request Visit site
  24. 24

    Peppolstation

    Paid Web

You may prefer another product when your priority is invoice creation, payment administration, mobile access, a hosted web platform, or a particular Peppol and e-invoicing network. Holodeck B2B has no paid tier, but it is not an invoice-management application and its REST integration is an extension. Compare each option's document workflows, ERP connections, network coverage, deployment model, integration effort, Java or server requirements, and subscription cost before switching.

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