Top 10 ELT Tools in 2025

ELT is Extract-Load-Transform: raw data are first extracted from dozens of operational systems, loaded intact into a central store (usually a cloud data warehouse or lakehouse), and only transformed there when analytics teams need it.

ETL (Extract-Transform-Load) performs the heavy transforms before the load step. ELT therefore:

• Avoids building/maintaining separate transformation servers
  
• Scales with the warehouse’s elastic compute
  
• Preserves raw history for compliance & re-processing

Why do modern data teams prefer ELT tools?

• Zero / low-code pipelines accelerate time-to-insight.
  
• Schema-on-read lets analysts revisit raw data without re-ingestion.
  
• Cloud economics: pay only for warehouse compute used during transforms.
  
• Built-in orchestration & monitoring reduce DevOps overhead.

You need ETL/ELT tools to eliminate manual data copying, ensure data consistency, and enable scalable analytics. Without them:

• 74% of companies report data silos hindering decisions (Forrester)
• Data engineers spend 60%+ time on pipeline maintenance (Gartner)
  A use case example: Marketing teams unify ad platform data in BigQuery in hours—not weeks—to optimize campaign spend.
  

How do I select the right ELT tool?

1. List your sources & destinations: Short-tail SaaS? Long-tail custom APIs?

2. Decide on hosting model: All-cloud, on-prem, hybrid or embedded in your SaaS?

3. Assess engineering culture: No-code vs. code-first vs. fully managed.

4. Budget for data volume: Connector-based MAR (Fivetran) vs. flat-rate seats (Hevo) vs. capacity–based (Airbyte).

5. Check transformation needs: Built-in GUI, dbt integration, or external orchestration?

6. Test scalability: Simulate 10x data volume spikes

Tip: Run a proof-of-concept with a high-volume source to benchmark latency, failure handling and vendor support responsiveness.

1. Airbyte

Airbyte is a modern, open-source ELT platform with 600+ pre-built connectors across SaaS apps, databases, files, and APIs — the largest connector catalog in the ecosystem. It also enables users to build custom connectors using low-code/no-code tooling or Python/JavaScript SDKs, with AI assistance available in the Connector Builder. These connectors support both batch and real-time syncs, and span structured, semi-structured, and unstructured sources, including destinations like vector databases for GenAI use cases.

• 600+ connectors, supports cloud data warehouses, lakes, and vector DBs.
  
• Full control over infrastructure - deploy on your own cloud (AWS, GCP, Azure) or on-prem.
  
• Native support for multi-tenant deployments, allowing organizations to isolate environments by team, domain, or business unit.
  
• Premium support and SOC 2/ISO 27001-compliant for data sovereignty.
  
• Flexible logging, alerting, and dashboard options for ops and engineering teams.

2. Fivetran

Fivetran is a fully managed ELT solution offering over 500 pre-built connectors with auto-scaling and schema drift handling. It emphasizes hands-off maintenance, but its connection- and MAR-based pricing can add up in complex stacks.

• 500+ native connectors across major SaaS, DBs, and warehouses
  
• Automated schema updates and dependency handling
  
• Seamless dbt Core integration for transformations
  
• New pricing model charges by monthly active rows & connections

3. Meltano

Meltano is an open-source ELT platform built for engineers, using Singer Taps and Targets to modularize pipelines. It supports version-controlled, code-first development and is ideal for custom, CI/CD-driven data stacks.

• Built on Singer protocol with 300+ community Taps
  
• Git-based project management with native CI/CD support
  
• Python-first with plug-and-play extensibility
  
• Ideal for developers seeking modular ELT workflows
  

4. Matillion

Matillion is a cloud-native ETL/ELT platform with an intuitive drag-and-drop interface and 150+ connectors. It excels in warehouse-native processing but can become costly due to seat-based pricing.

• 150+ connectors for cloud data sources and services
  
• Powerful SQL and Python transformation layers
  
• Built for Redshift, Snowflake, BigQuery, and Synapse
  
• Best for GUI-driven pipeline design in enterprise warehouses

5. Hevo Data

Hevo is a fully managed integration platform with 150+ connectors and real-time data sync capabilities. It supports in-flight, user-driven, and post-load transformations, and emphasizes automation and simplicity.

• 150+ pre-built connectors for SaaS, DBs, and APIs
  
• Real-time CDC for fast-moving data pipelines
  
• Multi-stage transformations before and after loading
  
• Fully managed with security features like VPN and SSH

6. Qlik (Stitch Data)

Stitch, now part of Qlik, is a simple ELT platform with 140+ connectors, suitable for light-to-moderate workloads. While extensible via the Singer standard, it offers limited transformation and scheduling flexibility.

• 140+ built-in connectors for databases and SaaS tools
  
• Supports custom connectors via Singer spec
  
• Light transformation via dbt and scheduling options
  
• Better fit for smaller teams or simpler stacks

7. AWS Glue

AWS Glue is a serverless ETL/ELT service deeply integrated with the AWS ecosystem. It supports broad format ingestion and offers auto-generated PySpark code, metadata cataloging, and event-driven orchestration.

• Integrated with S3, Redshift, Athena, and Lake Formation
  
• Supports JSON, Avro, Parquet, ORC, and CSV formats
  
• Serverless with automatic scaling and job monitoring
  
• Ideal for AWS-native pipelines with batch and stream modes

8. Azure Data Factory (ADF)

ADF is Microsoft’s managed ETL/ELT service with a visual interface and 90+ connectors for hybrid data integration. It’s strong in Microsoft ecosystems but lacks advanced developer tooling.

• 90+ connectors for cloud and on-prem enterprise systems
  
• Hybrid pipeline design for SQL Server, Oracle, SAP, etc.
  
• Low-code data flow designer and rich monitoring tools
  
• Limited in versioning, testing, and CI/CD workflows

9. Rivery

Rivery is a cloud-native ELT and reverse ETL tool with pre-built data models and 200+ connectors. It’s built for fast setup, modular logic, and multi-destination delivery.

• 200+ connectors for SaaS apps, databases, and APIs
  
• Offers reverse ETL and logic flows without coding
  
• Built-in orchestration and modular job templates
  
• Great for data and marketing teams activating data fast

10. Informatica

Informatica is a legacy enterprise-grade integration platform offering ETL, ELT, governance, and quality. Its strength lies in compliance and metadata management, but it lacks agility for modern, cloud-native workflows.

• Supports diverse integration styles (batch, real-time, streaming)
  
• Strong data quality and master data management tools
  
• Integrates with on-prem and cloud systems at scale
  
• Best for highly regulated industries needing compliance

How do the top ELT tools compare in 2025?

How do I read the above table?

• Connector count indicates out-of-box sources/destinations. Open-source tools often let you add new connectors yourself.
  
• Deployment options matter for data-sovereignty and DevOps preferences.
  
• Best-for summarises the typical sweet-spot use-case.

What key features matter in ELT tools?

Prioritize these 5 non-negotiable features:

1. Change Data Capture (CDC): Syncs database updates in real-time (critical for operational analytics)
2. Programmable transforms: Python/SQL support for complex logic (Airbyte dbt integration)
3. Monitoring: Column-level lineage, error alerts, and auto-recovery
4. Security: SOC 2, GDPR, and encryption (in-transit/at-rest)
5. Transparent pricing: No surprise fees (e.g., Airbyte’s clear cloud pricing vs. Fivetran’s opaque row counts)

How much do ELT tools cost?

ELT tools range from free open-source options to enterprise ELT solutions costing $50,000+/year, with most mid-market solutions between $500-5,000/month. Pricing models significantly impact total cost.

Pricing model comparison:

Which ELT tool is the best choice in 2025?

Airbyte is the most complete, future-proof ELT platform in 2025 thanks to its 600 + open-source connectors, AI-assisted connector builder, and flexible self-hosted + SaaS options. Competitors such as Fivetran, Stitch, Hevo, Matillion, Meltano and the major cloud-vendor services still shine in specific niches, but Airbyte now delivers the broadest connector coverage, the lowest vendor lock-in, and the fastest pace of innovation.

Key takeaways

• Airbyte leads on connector breadth, openness and AI-assisted extensibility. No data volume penalties - Capacity-based pricing protects budgets.
  
• Fivetran & Stitch win on “set-and-forget” SaaS simplicity.
  
• Meltano & Singer suit engineering-heavy teams who prefer code in Git.
  
• Matillion & Hevo balance visual design with robust transformations.
  
• Cloud-native services (Glue, ADF) excel when infra consolidation is the priority.

Is Airbyte really the #1 ELT tool in 2025?

Yes. Three factors set Airbyte apart:

1. Fastest connector growth – already 600 + OSS connectors and on track for 1000 by year end 2025, outpacing every rival.
   
2. Open-core flexibility – self-host for full control, or use Airbyte Cloud for zero-ops.
   
3. AI-powered pipeline building – an LLM assistant pre-fills YAML & JSON configs, slashing dev time.
   

Practical application: Teams embedding hundreds of long-tail SaaS or proprietary APIs can build a production-ready connector in under 10 minutes with the graphical Connector Builder and publish it back to the community.

For 90% of teams, Airbyte delivers the optimal balance of control, scalability, and cost—making it the #1 ELT solution in 2025. Airbyte’s open-source foundation and connector ecosystem future-proof your stack against vendor lock-in and evolving needs.

Tool-by-tool quick answers

How does Fivetran compare to Airbyte?

Fivetran offers automated maintenance and a polished UI, but its new connection-based MAR pricing (as of March 2025) can spike costs for data-rich stacks due to charges based on the number of active connections and rows synced.

Airbyte, by contrast, uses a capacity-based pricing model where you're billed based on compute credits consumed — determined by data volume, sync frequency, and features used — not by the number of connectors or connections. It also provides more flexibility through open-source extensibility, custom connector development, and fine-grained control over sync behavior.

When should I choose Airbyte over Matillion?

You need flexible, connector-rich ELT: Airbyte offers hundreds of pre-built connectors and supports custom connector development — ideal for modern, fast-changing data stacks.

You prefer usage-based, transparent pricing: Airbyte’s capacity-based pricing charges based on compute resources consumed, not by user seats or UI complexity — making it more scalable and predictable.

Airbyte or Hevo data if data sovereignty is a factor?

Choose Airbyte if data sovereignty is critical — it offers self-hosting and open-source deployment, giving you full control over where your data resides.

Hevo, in contrast, is fully managed and hosted, limiting flexibility for compliance-heavy or region-restricted environments.

Why should you switch from a legacy platform like Azure Data factory or Informatica to Airbyte?

Switch to Airbyte for a modern, flexible ELT experience with faster connector development, open-source extensibility, and robust API-first design.

Legacy platforms like ADF or Informatica often lag in agility, transparency, and community-driven innovation.