Stadtbibliothek Karlsruhe

What Stadtbibliothek Karlsruhe does

Stadtbibliothek Karlsruhe is the public library system of the city of Karlsruhe, Germany, operated as a municipal government entity (Körperschaft des öffentlichen Rechts) under the Stadt Karlsruhe. The library operates 9 service points across the city: the central Zentralbibliothek im Neuen Ständehaus, the Kinder- und Jugendbibliothek (children's and youth library), five Stadtteilbibliotheken (district branches) in Durlach, Grötzingen, Mühlburg, Neureut, and Waldstadt, the Amerikanische Bibliothek (an English-language branch), and a mobile Medienbus. It serves the entire Karlsruhe population — children, students, adults, seniors, schools, international residents, and institutional staff — through physical and digital media lending, educational programming, and community services.

The library's core technology stack is built on the KOHA open-source library management system, which powers the Kundenportal (OPAC) and customer account management. Digital lending is delivered through third-party platforms: Onleihe and OverDrive for e-books, e-audiobooks, and e-magazines; PressReader for international newspapers and magazines; Brockhaus for reference; Filmfriend for streaming video; Munzinger for biographical and country data; and Tigerbooks for children's digital content. An AI-powered chatbot ("bibki") at bibki.karlsruhe.de provides conversational user support, and the website is served via DeepL translation and Matomo web analytics with privacy-focused configuration.

The revenue model relies on annual membership subscriptions (€25 standard adult, €16 reduced-fee for students/seniors/welfare recipients, €3 one-month trial), with free membership for children and youth under 21 and institutional cultural/social/educational staff. Supplementary streams include overdue fees (€0.50 per item per day plus €1 per written reminder), replacement card fees (€5 adult / €3 youth), and media replacement charges. As a municipal institution, operations are primarily funded through the city of Karlsruhe's general budget and the library does not publish revenue figures. The library participates in the Chipkarten-Föderation Karlsruhe with KIT-Bibliothek and Badische Landesbibliothek, enabling a universal "Karlsruher Bibliothekskarte" across institutions, and operates additional programs including a Saatgutbibliothek (seed library), robotics workshops, 3D printing courses, and a cargo-bike delivery service (Lastenrad Bücherblitz).

Name

Stadtbibliothek Karlsruhe

Legal name

Stadtbibliothek Karlsruhe

Website

https://stadtbibliothek-karlsruhe.de

Company type

Private

Operating status

Operating

Headcount range

1–10 employees

Short description

Stadtbibliothek Karlsruhe is the municipal public library system of Karlsruhe, Germany, operating 9 service points plus a mobile bus. It serves city residents with physical and digital media lending, educational programming, and an AI chatbot, funded primarily through the city budget.

Ownership category

akta.pro rank

Product category

Public Library Services

NAICS

Libraries and Archives (51921)

SIC

Services-Educational Services (8200)

akta.pro primary industry

Public Libraries & Information Services (BPAIACAO)

akta.pro secondary industries

Public Library Operations & Community Branch Management (EDAEAGAC), Library-Based Learning Programs (Public Libraries) (EDAAAFAA)

Keywords

• Public library services
• Digital media lending
• Community library programs
• Children's literacy programs
• Municipal library system

Headquarters

HQ city

Karlsruhe

HQ country

Germany

HQ region

Europe

Offices9 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Infrastructure, Operations, Technology or R&D, Marketing or Sales, Supply Chain

Revenue model

1. Annual Library Membership Fees: The primary revenue stream. Annual membership fees are charged per user category: €25 for standard adults, €16 for reduced-fee eligible adults (under 25, students, retirees, disabled persons, welfare recipients, etc.), €3 for a one-month trial card. Children and youth under 21 receive free membership. The fee is valid for 365 days from issuance and covers borrowing at all branches and all digital offerings.
2. Late Fees (Verzugsentgelte): Revenue from overdue media returns. 50 cents per item per day is charged for all media types. Additional €1 is charged per written reminder (sent at 7, 14, and 21 days after due date).
3. Library Card Replacement Fees: Replacement card issuance fee: €5 for adults, €3 for children and youth up to age 21, when a card is lost.
4. Media Replacement: Users who lose or damage media are required to purchase a replacement in the current edition, or reimburse the replacement value plus a processing fee.

Pricing tiers

Go-to-market motion1 record

Distribution channels5 records

Marketing channels8 records

Core offering

Stadtbibliothek Karlsruhe is a municipal public library system providing physical and digital media lending, community programming, and educational services across 9 access points in Karlsruhe, Germany. Its core offering is an annual library membership (€25 standard adult / €16 reduced / free for under-21s) granting borrowing rights at all branches and access to digital lending platforms. Supplementary services include an AI chatbot (bibki), robotics and 3D printing workshops, the Amerikanische Bibliothek English-language branch, the mobile Medienbus, and a cargo-bike delivery service (Lastenrad Bücherblitz).

Product overview

Stadtbibliothek Karlsruhe operates a multi-location public library system consisting of 2 main branches (Zentralbibliothek in Neuen Ständehaus and Kinder- und Jugendbibliothek), 5 district libraries (Stadtteilbibliotheken in Durlach, Grötzingen, Mühlburg, Neureut, Waldstadt), plus the Amerikanische Bibliothek and a mobile Medienbus. The library offers physical media (books, magazines, music, films, games, board games), digital services (Onleihe, OverDrive, PressReader, Brockhaus, Tigerbooks, Filmfriend, Munzinger), the KI-Chatbot for inquiries, online catalog (Kundenportal/OPAC), video consultation services (Virtuelles Amt), and various programs including 3D printing courses, robotics workshops with NAO, GameLab, and educational offerings. The portfolio ranges from traditional library services to digital lending platforms and AI-powered customer service tools.

Differentiator

Problem solved

Functional benefit

Products and services

• Annual Library Membership Subscription granting borrowing rights at all 9 library branches and access to all digital lending platforms (Onleihe, OverDrive, PressReader, Brockhaus, Filmfriend, Munzinger, Tigerbooks). Available in tiers: €25 standard adult annual, €16 reduced-fee (under-25s, over-65s, students, trainees, pensioners, disabled persons, Karlsruher Pass holders, welfare recipients), €3 one-month trial card, and free for under-21s and institutional staff.
• Medienbus (Mobile Library Bus) Mobile library service operating on a fixed schedule with multiple stops throughout Karlsruhe, lending books, films, and games to residents across the city, particularly reaching neighborhoods that may not visit a fixed branch.
• KI-Chatbot (bibki) AI-powered conversational interface providing natural language support for library inquiries, media search, and service navigation. Processes text-based queries and generates text-based answers to assist patrons with using library services.
• Onleihe Digital Lending Platform Digital e-book and e-media lending platform accessible with a valid library card. Allows borrowing of e-books, e-audiobooks, e-magazines, and other digital content. Access included in the annual library membership.
• OverDrive Digital Lending Platform Digital media platform offering e-books, e-audiobooks, and streaming content. Accessible with library card credentials, serving as an alternative and complement to the Onleihe platform and expanding the digital media catalog available to members.
• PressReader Digital Newspapers and Magazines Digital access to thousands of international newspapers and magazines. Library members can access global publications through the platform with their library card.
• Filmfriend Streaming Platform Streaming platform for films available through the library's digital offerings. Library members can stream films using their library card credentials.
• Brockhaus Encyclopedia Access German-language encyclopedia and reference database available as a digital offering of the library, providing authoritative reference content accessible to library members.
• Munzinger Reference Database Reference database providing biographical information, country data, and other reference content available through the library's digital offerings.
• Tigerbooks Children's Digital Books Digital children's book platform available through the library's digital offerings, supporting the library's youth literacy mission.
• Amerikanische Bibliothek (English-Language Branch) A dedicated English-language branch library in Karlsruhe's Nordstadt district, offering all collection materials in English for language learners, expats, and international residents.
• Lastenrad Bücherblitz (Cargo-Bike Delivery) Cargo-bike delivery service for library materials using bicycle transport, supporting sustainable urban logistics and providing home delivery to patrons.
• Kinder- und Jugendbibliothek (Children's and Youth Library) Dedicated children's and youth library in the Prinz-Max-Palais in central Karlsruhe. Specializes in materials and programs for young readers including book clubs, robotics workshops, Minecraft events, Antolin platform access, manga collections, and gaming events (PlayStation, Xbox, Nintendo Switch/DS3, Wii).
• Educational Workshops and Programs Educational workshops and programs including 3D printing courses, GameLab, robotics workshops with NAO robot, Handmade workshops, book clubs, summer reading club (Jubi Sommer Club), and special action weeks. Open to library members and the general public.
• Saatgutbibliothek (Seed Library) Seed library initiative that loans seeds alongside traditional media collection, promoting biodiversity and seed-saving culture. Provided in collaboration with GAHG.

Quantifiable outcome

• Free library membership for all children and youth under 21, supporting educational equity
• +2 more outcomes

Segments5 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration11 records

AI capability2 records

Feature4 records

Partnerships

Seven partnerships are on record, tiered core and minor.

• KIT-Bibliothek (Karlsruhe Institute of Technology Library)coreStrategic or Co-development PartnerStadtbibliothek participates in the 'Chipkarten-Föderation Karlsruhe' (Karlsruhe Smart Card Federation), which allows mutual acceptance of library cards. Stadtbibliothek cards can be activated for use at KIT-Bibliothek and vice versa, creating a universal 'Karlsruher Bibliothekskarte' for users of both institutions. The partnership extends access for citizens to academic resources and for university members to public library services.
• Badische Landesbibliothek (Baden State Library)coreStrategic or Co-development PartnerPart of the 'Chipkarten-Föderation Karlsruhe', enabling mutual library card acceptance between Badische Landesbibliothek and Stadtbibliothek Karlsruhe. Users can activate their Stadtbibliothek card at Badische Landesbibliothek and vice versa, creating a unified library card system across major Karlsruhe libraries.
• Onleihe (Divibib GmbH)coreTechnology or IntegrationThe Onleihe platform (operated by Divibib GmbH) is the primary e-lending partner, providing access to e-books, e-audiobooks, e-magazines, and other digital media for Stadtbibliothek members. Access is included in the annual library membership. The platform redirects users to Stadtbibliothek login for authentication.
• OverDrive (Bibliotheca)coreTechnology or IntegrationOverDrive provides a second e-lending platform for e-books and e-audiobooks, accessible via karlsruhe.overdrive.com with Stadtbibliothek credentials. Serves as an alternative and complement to the Onleihe platform, expanding the digital media catalog available to members.
• Antolin (Westermann Verlag)minorStrategic or Co-development PartnerAntolin is an online reading promotion platform for children and schools. The library supports school partnerships via Antolin, providing materials and coordinating reading challenges. The platform tracks children's reading and comprehension, aligning with the library's youth literacy mission.
• Freunde der Amerikanischen Bibliothek Karlsruhe e.V.minorStrategic or Co-development PartnerA friends society (registered association) that supports and promotes the Amerikanische Bibliothek through advocacy, fundraising, and membership drives. The society publishes its own flyer and membership form to recruit supporters and raise funds for the English-language branch.
• GAHG - Gesellschaft für Archäologie in Handel und Gewerbe e.V.minorStrategic or Co-development PartnerThe Saatgutbibliothek (seed library) is a collaborative initiative with GAHG, which provides background information, growing guides, and seed purity guidance. The library loans seeds alongside its traditional media collection, promoting biodiversity and seed-saving culture.

Scale indicators2 records

Recent moves6 records

Expansion highlights5 records

Regional players

• Stadtbibliothek Köln: Cologne's municipal public library with branch network, children's services, and Onleihe integration. Same municipal ownership, same core product mix of physical lending, digital lending, and community programming as Stadtbibliothek Karlsruhe.
• Stadtbibliothek Frankfurt am Main: Frankfurt's municipal public library offering physical and digital lending, branch network, and community events. Directly comparable to Stadtbibliothek Karlsruhe in scale, ownership, and service portfolio; serves a different geography.
• Stadtbibliothek München: München's municipal public library system with multi-branch operations, digital lending (Onleihe), and extensive programming. Same operating model, scope of services, and municipal-government ownership structure as Stadtbibliothek Karlsruhe; serves a different city and does not overlap in territory.
• Stadtbibliothek Düsseldorf: Düsseldorf's municipal public library with branch network, digital lending via Onleihe, and community programming. Directly comparable German city-library operator with the same revenue model (annual membership fees plus municipal funding).
• Bücherhallen Hamburg: Hamburg's municipal public library operator with city-wide branches, digital lending, and community programming. Structurally identical offering to Stadtbibliothek Karlsruhe; comparable membership pricing model and digital platform integrations.
• Stadtbibliothek Stuttgart: Stuttgart's municipal public library with multiple branches, digital lending integrations, and educational programming. Like Karlsruhe, it is a city-operated system in Baden-Württemberg with comparable membership tiers and cultural-affairs funding.

Others

• Bibliotheca (Library Ideas): Global vendor of library technology including RFID, self-service kiosks, and the OverDrive digital lending platform used by Stadtbibliothek Karlsruhe. An infrastructure/enabler to the library industry rather than a direct operator peer.
• Divibib GmbH (Onleihe): Operator of the Onleihe digital lending platform that Stadtbibliothek Karlsruhe uses to deliver e-books and e-audiobooks. A technology/infrastructure supplier rather than a competing library, but its product is materially embedded in the library's service offering.

Broad incumbents

• Zentral- und Landesbibliothek Berlin (ZLB): Berlin's central and state library, a larger institution combining municipal and state-library functions. Wider portfolio than Stadtbibliothek Karlsruhe but operates the same core model of physical/digital lending, programming, and public-access reference services.
• New York Public Library (NYPL): Large U.S. municipal public library system offering physical and digital lending, programming, and community services. Different national context but the same product mix and 'third place' positioning as Stadtbibliothek Karlsruhe, often cited as a benchmark for modern public-library operations.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/playlist?list=PLjBSIxDaBHfv1WwWMG9mxjoUi_6HoMzkR
• Facebookfacebook.com/stadt.karlsruhe.bibliothek
• Instagraminstagram.com/stadtbibliothek_karlsruhe
• LinkedInlinkedin.com/company/stadtbibliothek-karlsruhe

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Stadtbibliothek Karlsruhe