
COSCon'24 Open Source Bazaar Officially Unveiled, Inviting You to Play at the Market Stalls~

The Open Source Bazaar is a highlight of this year's conference, aiming to build a platform to showcase open source projects and promote cooperation and exchange among open source communities and organizations. Here, you can:
- Showcase excellent open source projects/activities to enhance the visibility of your project/community/organization;
- Expand partnerships to promote the development of communities/projects/organizations;
- Exchange insights on open source and discuss the development of the open source cause;
- Experience open source culture and share in the open source feast.
Open Source Bazaar Stalls
KCC KaiYuanshe City Community

KCC is the abbreviation for Kaiyuanshe City Community. It is composed of open source enthusiasts from various cities or regions at home and abroad who identify with KaiYuanshe's philosophy, referred to as "KCC". Each city or region can apply to establish a KCC. Currently, KCCs have been established in Shenzhen, Nanjing, Shanghai, Beijing, Chengdu, Hangzhou, Dalian, Guangzhou, Singapore, and Silicon Valley. More KCCs are expected to be established in the future.
SegmentFault & Apache Answer
SegmentFault, a leading technical Q&A community in China. Apache Answer, an open-source Q&A software initiated by the SegmentFault team.
Stall Activity: Distribution of interactive peripherals.
HyperAI 超神经

HyperAI (hyper.ai) is a leading domestic open-source artificial intelligence and high-performance computing community. It aims to assist developers and enthusiasts in data science and AI to learn, understand, and practice by providing services such as accelerated dataset downloads, online tutorial demonstrations, in-depth paper interpretations, and top conference calendar integration, building the future of AI together with the community.
Stall Activity: Interactive lucky draw.
Asynchronous Community Carnival

"Asynchronous Community" (www.epubit.com) is an IT professional book community founded by Posts & Telecom Press. Launched in August 2015, it is dedicated to publishing and sharing high-quality content, providing readers with premium learning materials and offering professional publishing services for authors and translators. It enables online interaction between authors and readers and the integrated development of traditional and digital publishing.
Stall Activities:
- Book giveaway lottery;
- Book gift for Rubik's cube restoration;
- New book signing session.
COSCUP Open Source Contributor Conference

In 2014, several Taiwanese open source communities jointly initiated the Open Culture Foundation (OCF), hoping to promote open culture with the strength of a legal entity and spark open collaboration among industry, government, academia, and the public.
Stall Activity: Introduce trends in technical open source topics and interactive games.
Apache IoTDB

Apache IoTDB (Internet of Things Database) is an integrated software system for collecting, storing, managing, and analyzing IoT time-series data. Apache IoTDB adopts a lightweight architecture with high performance and rich features.
Stall Interaction: Interactive lucky draw.
SQLE (Actionopen Open Source Community)

A profound MySQL open source community. Established in 2017, the community is committed to open-sourcing high-quality operation tools, sharing technical干货 (substantive content) daily, and evangelizing database technology; currently open-sourced products include: SQL audit tool SQLE, distributed middleware DBLE, and data transmission component DTLE.
Stall Activity: Interactive lucky draw.
PowerData Data Power Community

We are a community of data practitioners, united by passion, based on the spirit of open source, forming the PowerData Data Power Community.
Stall Activity: Interactive lucky draw.
Dromara Open Source Community Face-to-Face

Dromara is an open-source community composed of top open-source project authors in China. It provides a series of open-source products, solutions, consulting, technical support, and training certification services, including distributed transactions, popular tools, enterprise-level authentication, microservices RPC, operation and maintenance monitoring, Agent monitoring, distributed logs, and scheduling orchestration. The technology stack is fully open-source and collaboratively built, maintaining community neutrality, and is dedicated to providing microservices cloud-native solutions for global users. It aims to allow every participating open-source enthusiast to experience the joy of open-source.
Stall Activities:
- Interactive Q&A: Visitors to the stall can answer questions correctly to receive Dromara peripherals.
- Hands-on operation: Visitors can choose to write code hands-on and experience the fun of practical operation.
ModelScope Open Source Community

ModelScope community was established in June 2022 and is a model open-source community and innovation platform.
Stall Activities: Showcase ModelScope's open-source journey, partner wall, and community experience interactions.
deepin

The deepin open-source community is a root community for desktop operating systems and also China's active desktop OS community—committed to providing everyone with a free, open communication platform and the best open-source operating system through community development and collaboration. Currently, the domestic forum has 127,000 registered users, total posts have exceeded 1 million, and code contribution participants have reached 2,000.
Stall Interaction: Set up corresponding challenge tasks; users can collect stamps after completing tasks and receive different peripheral gifts based on the number of stamps.
- Level 1: Basic open source general knowledge Q&A Description: e.g., Who developed the Linux OS, list some popular Linux distributions, list several common open-source licenses, etc.
- Level 2: deepin-IDE basic code challenge Description: Complete simple programming tasks, such as sorting algorithms, basic data processing.
- Level 3: deepin system interactive experience Description: Experience deepin 23 on-site and leave your product feedback and suggestions through the experience.
Rainbond

Rainbond is a cloud-native application management platform. The core is 100% open-source, easy to use, does not require knowledge of containers and Kubernetes, supports managing multiple Kubernetes clusters, and provides enterprise-level application full lifecycle management.
Stall Activities:
- Interactive giveaway of community stickers, e.g., following the WeChat official account, Github Star, etc.
- In-depth interaction giveaway of tote bags or notebooks.
Banff China

The Banff Mountain Film Festival began in 1976 and is the world's most authoritative and largest outdoor adventure, mountain culture, and environmental theme film festival. It is known as the outdoor "Oscars." Our company, Banff (Beijing) Culture Communication Co., Ltd., was established in 2010. In 2019, we introduced "Free Solo," which won the Oscar for Best Feature Documentary that same year, setting a box office record for documentaries in China. This year, Banff China joins hands with KaiYuanshe to co-create the True·Hackathon segment, contributing to promoting open source as a lifestyle.
Stall Activity: Sports knowledge popularization, peripheral interaction.
Intelligent Robot Interactive Experience

At the COSCon'24 Open Source Bazaar display stall, we will bring an interactive experience based on intelligent robot technology. Participants can personally experience how intelligent robots use gesture control and human body following technology to achieve intelligent control of physical and virtual cars. The display includes a fully open-source physical car project, from circuit design to hardware implementation, allowing participants to deeply understand its working principle. Meanwhile, the display of the virtual car will同步 (simultaneously) open source,方便 (facilitating) participants to explore and adjust control schemes.
Stall Interaction:
- Gesture Control & Human Following Race: Participants can control two physical cars for a race through gestures or human following, experiencing the fun of intelligent control technology.
- Path Drawing Interaction: Use gesture control to draw paths with a virtual car; source code interfaces are provided for on-site adjustments; participants who complete the task will receive精美礼物 (exquisite gifts).
- Algorithm Q&A Session: Q&A challenge on intelligent robot technology and algorithms; those who answer correctly also have a chance to win gifts.
- Through these fun interactive activities, participants can not only experience intelligent control but also further understand the underlying technical principles. We also provide detailed source code and learning materials for participants to reference after the event.
Apache Doris Quick Q&A

Apache Doris is a modern, high-performance, real-time analytical database based on MPP. Known for its extreme speed and ease of use, it can return query results on massive data with sub-second response time, supporting both high-concurrency point query scenarios and high-throughput complex analysis scenarios.
Stall Interaction: Bring Apache Doris promotional materials, including project introduction, core features, application scenarios, etc. Ask the audience five random questions. Gifts for answering 1, 2-3, 4-5 questions correctly respectively: stickers, laptop stands, T-shirts, etc. Limited quantity daily, first come first served.
openInula

openInula is a compile-based reactive front-end development framework. Developers can use familiar JSX syntax, enjoy the flexibility of native JavaScript, while achieving higher page performance, less memory usage, and smaller bundle size.
Stall Interaction: The exhibition area can combine sub-forum topics to experience hands-on operation of openInula API2.0. Small gifts prepared to reward developers.
Sermant Open Source Community

Sermant is an agentless service mesh based on Java bytecode enhancement technology. It uses Java bytecode enhancement technology to provide service governance functions for host applications, solving service governance problems in large-scale microservices scenarios.
Stall Interaction:
- Sermant Plugin Development Experience: Develop plugins based on the template file provided by Sermant official, dynamically implementing bytecode enhancement for Java microservices.
- Share Sermant technical evangelism articles or check-in photos on social media (朋友圈).
- On-site project introduction and Q&A.
- On-site participants can receive prizes provided by the Sermant community, such as tote bags, by participating in the above activities.
OpenFDE Open Source Linux Desktop

OpenFDE is an open-source Linux desktop. Differently, it is based on the AOSP graphics stack, providing a consistent window graphics environment for Android and Linux applications.
Stall Interaction: Open source knowledge Q&A: Prepare several open source & community-related questions; gifts for correct answers.
ZenTao Open Source Edition Project Management Software

ZenTao is an open-source full-lifecycle project management software designed based on Agile and CMMI management concepts. It integrates product management, project management, quality management, document management, organizational management, and affair management, fully covering the core processes of R&D project management.
Stall Interaction: Prepare open source questions; give corresponding small gifts based on the participant's correct answer rate.
OpenBuild

OpenBuild is an open-source community for Web3 developers, dedicated to connecting Web2 and Web3, helping developers transition to the decentralized web. Through open-source collaboration, it provides systematic educational content, open-source tools, and community resources, helping developers build a reputation system and create business opportunities.
Stall Interaction: Interactive lucky draw.
NebulaGraph

NebulaGraph is an open-source, distributed, easily scalable native graph database capable of handling ultra-large-scale datasets containing hundreds of billions of vertices and trillions of edges, providing millisecond-level queries.
Stall Interaction: Answer basic questions about NebulaGraph based on the roller banner and official account content. Correct answers win any peripheral; incorrect answers receive a small rubber duck.
AIGCOPEN Community x Microsoft Reactor
AIGC aims to create China's AIGC ecosystem landing.
Stall Interaction: Showcase Microsoft Reactor developer community activities on-site, distribute promotional leaflets for Microsoft AI developer certification guidance, guide downloads of the latest OpenAI Chinese whitepaper, and distribute free learning materials from the AIGCOPEN community.
隐语 SecretFlow

SecretFlow is an open-source unified framework for privacy-preserving data analysis and machine learning.
Stall Interaction: Privacy Computing Quick Q&A—An activity initiated by the SecretFlow open-source community, "SecretFlow·Privacy Computing Quick Q&A," focusing on basic knowledge of privacy computing, aiming to promote data security, privacy computing, and related knowledge.
IvorySQL Open Source Community

IvorySQL is an open-source Oracle-compatible PostgreSQL led by HighGo. It is dedicated to providing enterprises and developers with a high-performance, scalable, and secure best-in-class solution for Oracle migration. As an international open-source project, the IvorySQL China community has now grown to 2000+ members, completed over 270 commits, and contributed over 900,000+ lines of open-source code.
Stall Interaction: Participants只需 (only need to) participate in the dart lottery and community interaction for a chance to join an exciting lottery and win generous prizes.
Apollo Developer Community

The Apollo Developer Community is dedicated to providing a learning and exchange platform for global autonomous driving developers and partners, helping developers quickly understand and use autonomous driving technology.
Stall Interaction: Autonomous driving technology科普互动 (popular science interaction); peripheral interaction.
The above are the stalls at this Open Source Bazaar. Welcome!