
Freelancer.com is a freelancing and crowdsourcing marketplace where businesses can post projects or contests, receive fast bids from a large global talent pool, collaborate via chat and tools, and pay securely through milestone payments.
Freelancer.com is an online freelancing and crowdsourcing marketplace that connects employers with freelancers to complete work across a wide range of professional, technical, and creative disciplines. The platform enables clients to post projects or contests, receive competitive bids quickly, review portfolios and feedback, chat in real time, and pay securely via milestone-based payments only when satisfied. The marketplace emphasizes scale and speed, positioning itself as the world’s largest freelancing and crowdsourcing marketplace by number of users and projects. It supports hiring for everything from software development, AI and data science, and web/mobile design to writing, marketing, accounting, legal services, engineering, and sciences, with freelancers participating across many countries, languages, and currencies. Freelancer also offers enterprise-focused solutions through Freelancer Enterprise, including curated talent networks, managed services such as Recruiter assistance and Technical Co-Pilot project management, and integrations via the Freelancer API for on-demand access to its cloud workforce. Additional offerings include Innovation Challenges for crowdsourced problem solving, Global Fleet for field services at scale, and productized features like Quotes, Verified by Freelancer, and paid Membership plans.





Top ranked solutions in All

Bureau of Reclamation
Water resource managers needed more accurate and reliable ground-based precipitation measurements. Existing gauges faced accuracy limitations along with operations-and-maintenance constraints. These gaps made it difficult to obtain dependable precipitation data for decision-making. The Bureau of Reclamation launched the Counting Every Drop Challenge to solicit new or improved precipitation gauge designs. It implemented a two-phase process that required a concept paper first, followed by a prototype for lab and field testing. The program structured participation so teams could advance from Phase 1 to Phase 2. The challenge delivered a total $300,000 prize purse across both phases. It allocated $80,000 to Phase 1 and $220,000 to Phase 2, with up to 8 teams advancing into Phase 2. It also supported up to 5 teams competing for a $100,000 top prize and included $30,000 innovation awards.
Project Details

National Institutes of Health (NIH)
The National Institutes of Health (NIH) faced a key bottleneck in gene editing: safely and efficiently delivering genome editors to hard-to-reach tissues and cell types. Existing delivery approaches struggled to reach specific targets, including tissues protected by barriers like the blood–brain barrier. NIH needed a way to stimulate and evaluate new programmable delivery systems. The goal was to accelerate progress toward clinically applicable delivery methods. NIH launched the TARGETED (Targeted Genome Editor Delivery) Challenge to solicit programmable delivery systems for in vivo genome editor delivery. The challenge evaluated solutions through three phases, progressing from proposals to preliminary data and then final data with independent testing and validation. The program design culminated in independent large-animal testing to validate leading approaches. NIH set specific technical requirements, including programmability across multiple cell, tissue, or organ targets. NIH delivered a $6,000,000 total prize purse to incentivize breakthroughs and speed progress in delivery technology for genome editors. The challenge ran on a defined multi-phase timeline with published submission deadlines and winner announcement dates. It required solutions capable of programmability to at least three distinct cells, tissues, or organs in Target Area 1. The structure and timing supported staged evaluation through to independent large-animal testing and validation.
Project Details

Bureau of Reclamation
The Bureau of Reclamation needed to speed up its SRH-2D river hydraulics and sediment transport modeling. Its existing ILU-CGS solver was stable but ran on a single core and proved too slow for large problems. This performance constraint limited the practicality of scaling to larger, more complex modeling scenarios. A two-phase open innovation challenge was launched to develop a parallelizable linear equation sparse matrix solver (LESMS). The program also aimed to integrate the new solver into a multi-core parallel version of the SRH-2D model. A prize purse was used to incentivize high-performing solutions and demonstrated performance across both phases. The effort offered a $300,000 total prize purse to encourage development and validation of improved solvers. Phase 1 provided $100,000 and Phase 2 provided $200,000 to drive continued progress. The initiative targeted replacing the single-core solver as part of enabling multi-core parallel execution for SRH-2D.
Project Details

The available source content was a 404/“page doesn’t exist” support page rather than a customer case study. It did not include a customer name, industry context, or a description of a specific business problem. It also did not provide a challenge narrative, project scope, or success criteria. Only platform-wide marketplace statistics were present. No implementation details were provided in the available content. The page did not describe any deployed solution, process changes, integrations, or services delivered to a specific customer. It also did not outline timelines, stakeholders, or implementation methodology. As a result, the solution could not be reconstructed from the source. The only outcomes that could be extracted were the two platform-level metrics shown on the page. No customer-specific results, ROI, or operational improvements were stated. No before-and-after comparisons or attributed impacts were provided. Therefore, the results were limited to the reported aggregate marketplace counts.
Project Details

NASA
NASA needed a way to source new ideas and prototypes for a range of space and mission-support problems. The challenges included building 3D tools for robotic astronauts and creating smartwatch apps for time tracking and station updates. NASA also sought a scalable approach that could attract diverse solution paths from a global community. NASA implemented challenge-based competitions through the NASA Tournament Lab and related open innovation programs. The approach used crowdsourcing to gather submissions across multiple contests. These competitions were structured with defined prize purses to incentivize participation and accelerate prototyping. The program delivered substantial prize funding across several challenges and related contests. NASA-related challenges listed on the page totaled $1,000,000 in prize purse. Additional challenges cited included prize pools as high as $6,000,000, alongside hundreds of completed contests.
Project Details

The customer needed to mark a major community milestone and strengthen engagement with its global user base. It also wanted to gather stories and feedback directly from users. The challenge was creating a clear moment of celebration tied to a measurable achievement. The customer implemented a community contest to celebrate the milestone. It invited users to share stories and provide feedback. The initiative was designed to engage the community around the milestone and encourage participation. The customer reached 50 million registered users worldwide. It also used the contest to invite stories and feedback from the community. Beyond the registered-user count, no additional performance results were provided.
Skills
Project Details
Full service creative production company helping brands maximise the impact of their marketing content




Human Cloud Verification ensures that the listed end customer is verified. It's used across kudos, customers, and business cases, and performed by Human Cloud. Think about it like a background check.
Empowering US startups with unrivaled access to global engineering talent, seamless hiring, and improved retention.




Human Cloud Verification ensures that the listed end customer is verified. It's used across kudos, customers, and business cases, and performed by Human Cloud. Think about it like a background check.



An independent global marketing consultancy delivering outsized growth.




Human Cloud Verification ensures that the listed end customer is verified. It's used across kudos, customers, and business cases, and performed by Human Cloud. Think about it like a background check.


