# Osito > Osito is a resource for international students and workers navigating US immigration. It provides interactive tools, government data, and educational guides covering OPT, STEM OPT, CPT, H-1B, E-3, and J-1 visas. All content is available in English, Arabic, Spanish, Hindi, Japanese, Korean, Portuguese, and Chinese (Simplified). Language variants are served at locale-prefixed paths (e.g. `/en/`, `/es/`, `/ja/`). ## Data Osito combines four US government data sources: - [DOL LCA Disclosure Data](https://osito.co/en/h1b): 1.1M+ certified Labor Condition Applications from FY2024 Q1 through FY2026 Q1, covering H-1B and E-3 employer sponsorship, job titles, and prevailing wages. Published quarterly by DOL/OFLC. - [ICE SEVIS Employer Reports](https://osito.co/en/employers): Top 200 OPT, STEM OPT, and CPT employers from annual ICE/SEVP reports, with year-over-year hiring trends for F-1 work authorization. - [ICE SEVIS Top 500 F-1 Schools](https://osito.co/en/f1/schools): F-1 enrollment data for 3,700+ schools with year-over-year trends from 2017 to 2024, sourced from annual ICE/SEVP reports. - [DHS SEVP Certified Schools List](https://osito.co/en/f1/schools): Rolling list of all SEVP-certified schools authorized to enroll F-1 and M-1 students, published by DHS. ## Tools - [OPT/CPT Date Calculator](https://osito.co/en/f1/opt): Calculate OPT and CPT work authorization dates, application windows, and deadlines based on program details. - [H-1B Employer Search](https://osito.co/en/h1b): Search 91,000+ employers by name, view H-1B sponsorship history, salary statistics, and job titles from DOL LCA data. - [E-3 Employer Search](https://osito.co/en/e3): Look up E-3 visa employer data including salary medians and LCA filings for Australian nationals. - [F-1 School Explorer](https://osito.co/en/f1/schools): Browse F-1 enrollment data for 3,700+ schools with year-over-year trends from 2017 to 2024. - [Employer Index](https://osito.co/en/employers): Paginated directory of employers with H-1B, E-3, OPT, STEM OPT, and CPT sponsorship data. - [J-1 Exchange Visitor Visa](https://osito.co/en/j1): J-1 visa programs and requirements for scholars, students, trainees, interns, and au pairs. Under development. ## Guides: OPT and F-1 - [What is OPT?](https://osito.co/en/guides/what-is-opt): Overview of Optional Practical Training for F-1 students, covering pre-completion and post-completion OPT types and duration. - [Pre-completion vs Post-completion OPT](https://osito.co/en/guides/pre-completion-vs-post-completion-opt): Work-hour limits, application windows, and how the two OPT types differ. - [OPT Application Step-by-Step](https://osito.co/en/guides/opt-application-step-by-step): Walkthrough from requesting your I-20 to receiving your EAD card. - [Form I-765 Application Guide](https://osito.co/en/guides/i-765-application): How to complete and file Form I-765 for OPT employment authorization. - [OPT Unemployment Days](https://osito.co/en/guides/opt-unemployment-days): How the 90-day unemployment limit works, which days count, and what happens when you exceed it. - [EAD Expedite Request](https://osito.co/en/guides/opt-ead-expedite): How to submit an EAD expedite request, what it costs, and how USCIS evaluates requests. - [OPT Employment Reporting](https://osito.co/en/guides/opt-employment-reporting): How to report employment changes to your DSO within 10 days and what to include. - [International Travel on OPT](https://osito.co/en/guides/opt-travel): Documents needed for re-entry and risks of travel during pending applications. - [OPT Grace Period](https://osito.co/en/guides/opt-grace-period): The 60-day window after OPT ends, what activities are permitted, and how it affects status. - [OPT Cap Gap](https://osito.co/en/guides/opt-cap-gap): Work authorization extension while waiting for H-1B, and how the transition works. - [Self-Employment on OPT](https://osito.co/en/guides/self-employment-on-opt): Whether OPT allows freelance work, how the 1099 gray area works, and LLC options. - [OPT Taxes](https://osito.co/en/guides/opt-taxes): FICA exemption, Form 1040-NR, and tax treaties for F-1 OPT students. ## Guides: STEM OPT - [STEM OPT Extension](https://osito.co/en/guides/stem-opt-extension): The 24-month STEM OPT extension, including CIP code requirements and application process. - [Form I-983 Training Plan](https://osito.co/en/guides/stem-opt-i983): How to complete the I-983 training plan, who fills out each section, and common mistakes. - [STEM OPT Employer Requirements](https://osito.co/en/guides/stem-opt-employer-requirements): E-Verify enrollment, Form I-983, and what US employers must have to hire STEM OPT students. - [STEM OPT Unemployment Days](https://osito.co/en/guides/stem-opt-unemployment): The 150-day unemployment limit during STEM OPT and how days from initial OPT carry over. - [Premium Processing for STEM OPT](https://osito.co/en/guides/stem-opt-premium-processing): How to request 15-business-day processing and what Form I-907 covers. ## Guides: CPT - [CPT Eligibility and Requirements](https://osito.co/en/guides/cpt-eligibility-requirements): How Curricular Practical Training works, who can use it, and the relationship between CPT and OPT. ## Guides: H-1B - [H-1B Cap Timeline for OPT Students](https://osito.co/en/guides/h1b-cap-timeline-for-opt-students): H-1B cap season schedule, the lottery process, cap-gap extensions, and how OPT connects to H-1B. ## Guides: E-3 - [E-3 Visa Requirements](https://osito.co/en/guides/e3-visa-requirements): Specialty occupation standards, degree and equivalency rules for E-3 applicants. - [E-3 Visa Application Process](https://osito.co/en/guides/e3-visa-process): From job offer and LCA filing through consular processing and visa stamp. - [E-3 Visa Renewal](https://osito.co/en/guides/e3-visa-renewal): USCIS extension vs. consular reprocessing, costs, and timing. - [E-3 Visa to Green Card](https://osito.co/en/guides/e3-visa-green-card): EB-2 and EB-3 pathways, dual intent considerations, and timing risks. - [E-3 vs H-1B](https://osito.co/en/guides/e3-vs-h1b): Side-by-side comparison on cap, lottery, cost, dual intent, and portability. - [E-3 Visa for Irish Nationals](https://osito.co/en/guides/e3-visa-ireland): Status of the proposed E-3 expansion to Irish nationals across multiple Congresses. - [E-3 Dependent Visas](https://osito.co/en/guides/e3-visa-dependents): E-3S spouse and E-3Y child status, including spouse work authorization. - [E-3 Visa LCA Filing](https://osito.co/en/guides/e3-visa-lca): How to file Form ETA 9035 on FLAG, find prevailing wages, and submit the LCA. - [E-3 Visa Self-Employment](https://osito.co/en/guides/e3-visa-self-employment): Forming a US entity, the employer-employee relationship requirement, and workarounds. - [E-3 Visa Job Loss](https://osito.co/en/guides/e3-visa-job-loss): The 60-day grace period, portability options, and next steps after losing a job on E-3. ## Optional - [About](https://osito.co/en/about): Background on Osito and its mission. - [Guides Index](https://osito.co/en/guides): Browsable listing of all guides with filtering by visa type. - [Contact](https://osito.co/en/contact): Contact form for questions and feedback. - [Terms of Service](https://osito.co/en/terms): Legal terms (English only). - [Privacy Policy](https://osito.co/en/privacy): Privacy policy (English only).